{"id":7027,"date":"2024-05-11T02:22:34","date_gmt":"2024-05-11T02:22:34","guid":{"rendered":"https:\/\/www.petroleumtube.com\/?p=7027"},"modified":"2024-05-11T06:42:51","modified_gmt":"2024-05-11T06:42:51","slug":"black-painted-astm-a106-a53-api-5l-gr-b","status":"publish","type":"post","link":"https:\/\/www.petroleumtube.com\/th\/black-painted-astm-a106-a53-api-5l-gr-b\/","title":{"rendered":"\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33 ASTM A106\/A53\/API 5L GR.B SEAMLESS"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.petroleumtube.com\/th\/black-painted-astm-a106-a53-api-5l-gr-b\/#%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_astm_a106a53_API_5L_grb_%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%A1%E0%B8%B2%E0%B8%81%E0%B8%A1%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3_%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%84%E0%B8%9B%E0%B8%88%E0%B8%99%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%94%E0%B8%B5%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A1%E0%B8%B5%E0%B8%9A%E0%B8%97%E0%B8%9A%E0%B8%B2%E0%B8%97%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A2%E0%B8%B7%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AB%E0%B8%99%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89%E0%B9%80%E0%B8%9B%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%9A%E0%B8%AB%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99_ASTM_a106A53API_5L_GR_B_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%81%E0%B8%A3%E0%B8%B2%E0%B8%B0%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%82%E0%B8%A5%E0%B8%AB%E0%B8%B0%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AD%E0%B8%A2%E0%B8%B9%E0%B9%88%E0%B8%94%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B1%E0%B8%A1%E0%B8%9C%E0%B8%B1%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%9A%E0%B8%AD%E0%B8%87%E0%B8%84%E0%B9%8C%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%A4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B9%8C%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B9%80%E0%B8%8A%E0%B9%88%E0%B8%99_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%8A%E0%B8%B7%E0%B9%89%E0%B8%99_%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A1%E0%B8%B5_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A7%E0%B8%94%E0%B8%A5%E0%B9%89%E0%B8%AD%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A3%E0%B8%B8%E0%B8%99%E0%B9%81%E0%B8%A3%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A1%E0%B8%9A%E0%B8%B9%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A5%E0%B8%94%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B1%E0%B9%88%E0%B8%A7%E0%B9%84%E0%B8%AB%E0%B8%A5_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A5%E0%B9%89%E0%B8%A1%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%A7_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B9%81%E0%B8%8B%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B9%88%E0%B8%B2%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%88%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%99%E0%B8%AD%E0%B8%81%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%99%E0%B8%B5%E0%B9%89_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%A3%E0%B8%B0%E0%B8%A2%E0%B8%B0%E0%B8%A2%E0%B8%B2%E0%B8%A7_%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%81%E0%B8%A3%E0%B8%B2%E0%B8%B0%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%94%E0%B8%AA%E0%B8%B5_%E0%B9%81%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B9%81%E0%B8%97%E0%B8%81_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B6%E0%B8%81%E0%B8%AB%E0%B8%A3%E0%B8%AD_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A5%E0%B8%94%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A2%E0%B8%B7%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%AA%E0%B9%88%E0%B8%87%E0%B8%9C%E0%B8%A5%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%A5%E0%B8%94%E0%B8%A5%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A5%E0%B8%94%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%AB%E0%B8%A2%E0%B8%B8%E0%B8%94%E0%B8%97%E0%B8%B3%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A5%E0%B8%87_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AB%E0%B8%A2%E0%B8%B1%E0%B8%94%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%97%E0%B8%B8%E0%B8%99%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%98%E0%B8%B8%E0%B8%A3%E0%B8%81%E0%B8%B4%E0%B8%88_%E0%B8%99%E0%B8%AD%E0%B8%81%E0%B9%80%E0%B8%AB%E0%B8%99%E0%B8%B7%E0%B8%AD%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B9%89%E0%B8%A7_%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%89%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A5%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B9%80%E0%B8%97%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%88%E0%B8%B0%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%AD%E0%B8%B8%E0%B8%93%E0%B8%AB%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B3%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%A1%E0%B8%A0%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%88%E0%B8%B6%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%9E%E0%B8%A5%E0%B8%B1%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A5%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%8D%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%84%E0%B8%A7%E0%B8%9A%E0%B8%84%E0%B8%B8%E0%B8%A1%E0%B8%AD%E0%B8%B8%E0%B8%93%E0%B8%AB%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D_%E0%B9%80%E0%B8%8A%E0%B9%88%E0%B8%99_%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A_HVAC_%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AB%E0%B8%99%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%81%E0%B9%87%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A1%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B9%87%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%B8%E0%B8%95%E0%B8%B1%E0%B8%A7%E0%B8%95%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%94%E0%B8%B5%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%B5%E0%B8%A3%E0%B8%B9%E0%B8%9B%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%93%E0%B9%8C%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%A1%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B2%E0%B8%8A%E0%B8%B5%E0%B8%9E_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%81%E0%B8%95%E0%B8%81%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%A0%E0%B8%97%E0%B8%AD%E0%B8%B7%E0%B9%88%E0%B8%99%E0%B9%86_%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%AD%E0%B8%B3%E0%B8%99%E0%B8%A7%E0%B8%A2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B0%E0%B8%94%E0%B8%A7%E0%B8%81%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%88%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B4%E0%B8%99%E0%B8%84%E0%B9%89%E0%B8%B2%E0%B8%84%E0%B8%87%E0%B8%84%E0%B8%A5%E0%B8%B1%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%A3%E0%B8%A7%E0%B8%88%E0%B8%AA%E0%B8%AD%E0%B8%9A_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%82%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%95%E0%B8%AD%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2_%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AB%E0%B8%A2%E0%B8%B1%E0%B8%94%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%97%E0%B8%A3%E0%B8%B1%E0%B8%9E%E0%B8%A2%E0%B8%B2%E0%B8%81%E0%B8%A3%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9C%E0%B8%B9%E0%B9%89%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B8%9A%E0%B8%B1%E0%B8%95%E0%B8%B4%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%88%E0%B9%89%E0%B8%B2%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87_%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%81%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B1%E0%B9%89%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%B9%E0%B8%A7%E0%B8%B5_%E0%B8%9B%E0%B8%81%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%9C%E0%B8%A5%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B1%E0%B8%A1%E0%B8%9C%E0%B8%B1%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%9A%E0%B9%81%E0%B8%AA%E0%B8%87%E0%B9%81%E0%B8%94%E0%B8%94%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%99%E0%B8%B2%E0%B8%99_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%B4%E0%B8%94%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B8%81%E0%B8%A5%E0%B8%B2%E0%B8%87%E0%B9%81%E0%B8%88%E0%B9%89%E0%B8%87%E0%B8%AB%E0%B8%A3%E0%B8%B7%E0%B8%AD%E0%B9%81%E0%B8%9A%E0%B8%9A%E0%B9%80%E0%B8%9B%E0%B8%B4%E0%B8%94%E0%B9%82%E0%B8%A5%E0%B9%88%E0%B8%87_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5_UV_%E0%B8%AD%E0%B8%B2%E0%B8%88%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%81%E0%B8%B4%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%9C%E0%B8%B4%E0%B8%A7%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%80%E0%B8%A1%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%9C%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B9%84%E0%B8%9B_%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%AA%E0%B8%A3%E0%B8%B8%E0%B8%9B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_ASTM_A106A53API_5L_GRB_%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3_%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99_%E0%B8%89%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A1%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B9%87%E0%B8%99_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%B9%E0%B8%A7%E0%B8%B5_%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%95%E0%B8%B1%E0%B8%A7%E0%B9%80%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%81%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%9B%E0%B8%B2_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99_%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A5%E0%B8%87%E0%B8%97%E0%B8%B8%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%84%E0%B8%B8%E0%B8%93%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%98%E0%B8%B8%E0%B8%A3%E0%B8%81%E0%B8%B4%E0%B8%88%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%88%E0%B8%B6%E0%B8%87%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89_%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%B2%E0%B8%A7%E0%B8%99%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%94%E0%B8%B3%E0%B9%80%E0%B8%99%E0%B8%B4%E0%B8%99%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%84%E0%B8%B8%E0%B9%89%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%97%E0%B8%B8%E0%B8%99\" title=\"\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d astm a106\/a53\/\u00a0API 5L gr.b \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e21\u0e32\u0e01\u0e21\u0e32\u0e22\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e0a\u0e31\u0e49\u0e19\u0e2a\u0e35\u0e14\u0e33 \u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\n\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e44\u0e14\u0e49\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e2b\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19 ASTM a106\/A53\/API 5L GR .B \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a \u0e0a\u0e31\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e35\u0e14\u0e33\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e21\u0e35\u0e24\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e40\u0e0a\u0e48\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e0a\u0e37\u0e49\u0e19 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35 \u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25 \u0e04\u0e27\u0e32\u0e21\u0e25\u0e49\u0e21\u0e40\u0e2b\u0e25\u0e27 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e0b\u0e48\u0e2d\u0e21\u0e41\u0e0b\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32\u0e43\u0e0a\u0e49\u0e08\u0e48\u0e32\u0e22\u0e2a\u0e39\u0e07\n\u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e22\u0e30\u0e22\u0e32\u0e27 \u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e0a\u0e31\u0e49\u0e19\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e35\u0e22\u0e14\u0e2a\u0e35 \u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e2a\u0e36\u0e01\u0e2b\u0e23\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e41\u0e25\u0e30\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e02\u0e36\u0e49\u0e19\u0e19\u0e35\u0e49\u0e2a\u0e48\u0e07\u0e1c\u0e25\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32\u0e25\u0e14\u0e25\u0e07\u0e41\u0e25\u0e30\u0e25\u0e14\u0e40\u0e27\u0e25\u0e32\u0e2b\u0e22\u0e38\u0e14\u0e17\u0e33\u0e07\u0e32\u0e19\u0e25\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19\u0e42\u0e14\u0e22\u0e23\u0e27\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e18\u0e38\u0e23\u0e01\u0e34\u0e08\n\u0e19\u0e2d\u0e01\u0e40\u0e2b\u0e19\u0e37\u0e2d\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e49\u0e27 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e40\u0e1b\u0e47\u0e19\u0e09\u0e19\u0e27\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e14\u0e01\u0e32\u0e23\u0e16\u0e48\u0e32\u0e22\u0e40\u0e17\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e08\u0e30\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e20\u0e32\u0e22\u0e43\u0e19\u0e17\u0e48\u0e2d \u0e08\u0e36\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e25\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d \u0e40\u0e0a\u0e48\u0e19 \u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e41\u0e25\u0e30\u0e23\u0e30\u0e1a\u0e1a HVAC\n\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e2d\u0e35\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e01\u0e47\u0e04\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e38\u0e15\u0e31\u0e27\u0e15\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e21\u0e35\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e41\u0e25\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e21\u0e37\u0e2d\u0e2d\u0e32\u0e0a\u0e35\u0e1e \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e17\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2d\u0e37\u0e48\u0e19\u0e46 \u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e2d\u0e33\u0e19\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e30\u0e14\u0e27\u0e01\u0e43\u0e19\u0e01\u0e32\u0e23\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e34\u0e19\u0e04\u0e49\u0e32\u0e04\u0e07\u0e04\u0e25\u0e31\u0e07 \u0e01\u0e32\u0e23\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a \u0e41\u0e25\u0e30\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32 \u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e40\u0e27\u0e25\u0e32\u0e41\u0e25\u0e30\u0e17\u0e23\u0e31\u0e1e\u0e22\u0e32\u0e01\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1c\u0e39\u0e49\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e08\u0e49\u0e32\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e0b\u0e48\u0e2d\u0e21\u0e1a\u0e33\u0e23\u0e38\u0e07\n\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e1b\u0e01\u0e1b\u0e49\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e08\u0e32\u0e01\u0e1c\u0e25\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e14\u0e14\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e27\u0e25\u0e32\u0e19\u0e32\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e01\u0e25\u0e32\u0e07\u0e41\u0e08\u0e49\u0e07\u0e2b\u0e23\u0e37\u0e2d\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e34\u0e14\u0e42\u0e25\u0e48\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e23\u0e31\u0e07\u0e2a\u0e35 UV \u0e2d\u0e32\u0e08\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e21\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e27\u0e25\u0e32\u0e1c\u0e48\u0e32\u0e19\u0e44\u0e1b\n\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e09\u0e19\u0e27\u0e19\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e02\u0e49\u0e2d\u0e14\u0e35\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e15\u0e31\u0e27\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e1b\u0e32 \u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e07\u0e17\u0e38\u0e19\u0e43\u0e19\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07 \u0e18\u0e38\u0e23\u0e01\u0e34\u0e08\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e08\u0e36\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49 \u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19\u0e02\u0e36\u0e49\u0e19 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e04\u0e38\u0e49\u0e21\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19\">\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d astm a106\/a53\/\u00a0API 5L gr.b \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e21\u0e32\u0e01\u0e21\u0e32\u0e22\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e0a\u0e31\u0e49\u0e19\u0e2a\u0e35\u0e14\u0e33 \u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\n\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e44\u0e14\u0e49\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e2b\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19 ASTM a106\/A53\/API 5L GR .B \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a \u0e0a\u0e31\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e35\u0e14\u0e33\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e21\u0e35\u0e24\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e40\u0e0a\u0e48\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e0a\u0e37\u0e49\u0e19 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35 \u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25 \u0e04\u0e27\u0e32\u0e21\u0e25\u0e49\u0e21\u0e40\u0e2b\u0e25\u0e27 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e0b\u0e48\u0e2d\u0e21\u0e41\u0e0b\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32\u0e43\u0e0a\u0e49\u0e08\u0e48\u0e32\u0e22\u0e2a\u0e39\u0e07\n\u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e22\u0e30\u0e22\u0e32\u0e27 \u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e0a\u0e31\u0e49\u0e19\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e35\u0e22\u0e14\u0e2a\u0e35 \u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e2a\u0e36\u0e01\u0e2b\u0e23\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e41\u0e25\u0e30\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e02\u0e36\u0e49\u0e19\u0e19\u0e35\u0e49\u0e2a\u0e48\u0e07\u0e1c\u0e25\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32\u0e25\u0e14\u0e25\u0e07\u0e41\u0e25\u0e30\u0e25\u0e14\u0e40\u0e27\u0e25\u0e32\u0e2b\u0e22\u0e38\u0e14\u0e17\u0e33\u0e07\u0e32\u0e19\u0e25\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19\u0e42\u0e14\u0e22\u0e23\u0e27\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e18\u0e38\u0e23\u0e01\u0e34\u0e08\n\u0e19\u0e2d\u0e01\u0e40\u0e2b\u0e19\u0e37\u0e2d\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e49\u0e27 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e40\u0e1b\u0e47\u0e19\u0e09\u0e19\u0e27\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e14\u0e01\u0e32\u0e23\u0e16\u0e48\u0e32\u0e22\u0e40\u0e17\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e08\u0e30\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e20\u0e32\u0e22\u0e43\u0e19\u0e17\u0e48\u0e2d \u0e08\u0e36\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e25\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d \u0e40\u0e0a\u0e48\u0e19 \u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e41\u0e25\u0e30\u0e23\u0e30\u0e1a\u0e1a HVAC\n\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e2d\u0e35\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e01\u0e47\u0e04\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e38\u0e15\u0e31\u0e27\u0e15\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e21\u0e35\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e41\u0e25\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e21\u0e37\u0e2d\u0e2d\u0e32\u0e0a\u0e35\u0e1e \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e17\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2d\u0e37\u0e48\u0e19\u0e46 \u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e2d\u0e33\u0e19\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e30\u0e14\u0e27\u0e01\u0e43\u0e19\u0e01\u0e32\u0e23\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e34\u0e19\u0e04\u0e49\u0e32\u0e04\u0e07\u0e04\u0e25\u0e31\u0e07 \u0e01\u0e32\u0e23\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a \u0e41\u0e25\u0e30\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32 \u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e40\u0e27\u0e25\u0e32\u0e41\u0e25\u0e30\u0e17\u0e23\u0e31\u0e1e\u0e22\u0e32\u0e01\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1c\u0e39\u0e49\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e08\u0e49\u0e32\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e0b\u0e48\u0e2d\u0e21\u0e1a\u0e33\u0e23\u0e38\u0e07\n\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e1b\u0e01\u0e1b\u0e49\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e08\u0e32\u0e01\u0e1c\u0e25\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e14\u0e14\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e27\u0e25\u0e32\u0e19\u0e32\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e01\u0e25\u0e32\u0e07\u0e41\u0e08\u0e49\u0e07\u0e2b\u0e23\u0e37\u0e2d\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e34\u0e14\u0e42\u0e25\u0e48\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e23\u0e31\u0e07\u0e2a\u0e35 UV \u0e2d\u0e32\u0e08\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e21\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e27\u0e25\u0e32\u0e1c\u0e48\u0e32\u0e19\u0e44\u0e1b\n\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e09\u0e19\u0e27\u0e19\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e02\u0e49\u0e2d\u0e14\u0e35\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e15\u0e31\u0e27\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e1b\u0e32 \u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e07\u0e17\u0e38\u0e19\u0e43\u0e19\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07 \u0e18\u0e38\u0e23\u0e01\u0e34\u0e08\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e08\u0e36\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49 \u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19\u0e02\u0e36\u0e49\u0e19 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e04\u0e38\u0e49\u0e21\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.petroleumtube.com\/th\/black-painted-astm-a106-a53-api-5l-gr-b\/#%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A1%E0%B8%B5%E0%B8%9A%E0%B8%97%E0%B8%9A%E0%B8%B2%E0%B8%97%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B9%80%E0%B8%99%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%84%E0%B8%94%E0%B9%89%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%81%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%9E%E0%B8%B4%E0%B9%80%E0%B8%A8%E0%B8%A9_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%81%E0%B8%9E%E0%B8%A3%E0%B9%88%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%A0%E0%B8%B2%E0%B8%84%E0%B8%AA%E0%B9%88%E0%B8%A7%E0%B8%99%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B9%80%E0%B8%99%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%99%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A7%E0%B8%94%E0%B8%A5%E0%B9%89%E0%B8%AD%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A3%E0%B8%B8%E0%B8%99%E0%B9%81%E0%B8%A3%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%A7%E0%B8%B0%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B3%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%B2%E0%B9%83%E0%B8%88%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%9E%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%9E%E0%B8%B2%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B8%9A%E0%B8%B1%E0%B8%95%E0%B8%B4%E0%B8%87%E0%B8%B2%E0%B8%99_%E0%B9%83%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%9A%E0%B9%80%E0%B8%82%E0%B8%95%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9E%E0%B8%B1%E0%B8%92%E0%B8%99%E0%B8%B2%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%96%E0%B8%B9%E0%B8%81%E0%B8%99%E0%B8%B3%E0%B8%A1%E0%B8%B2%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%81%E0%B8%A7%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%82%E0%B8%A7%E0%B8%B2%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%9E%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%82%E0%B8%99%E0%B8%AA%E0%B9%88%E0%B8%87_%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%A7%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%88%E0%B8%B0%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B9%88%E0%B8%87%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%88%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B8%99%E0%B9%89%E0%B8%B3_%E0%B8%AB%E0%B8%A3%E0%B8%B7%E0%B8%AD%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B8%9A%E0%B8%B3%E0%B8%9A%E0%B8%B1%E0%B8%94%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A1%E0%B8%B5%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A2%E0%B8%B2%E0%B8%A7%E0%B8%99%E0%B8%B2%E0%B8%99_%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B1%E0%B9%88%E0%B8%A7%E0%B9%84%E0%B8%AB%E0%B8%A5%E0%B8%99%E0%B9%89%E0%B8%AD%E0%B8%A2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B8%E0%B8%94_%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%9B%E0%B8%A5%E0%B8%AD%E0%B8%94%E0%B8%A0%E0%B8%B1%E0%B8%A2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%99%E0%B9%88%E0%B8%B2%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87_%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%84%E0%B8%9B%E0%B8%81%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B1%E0%B9%89%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%9E%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%A0%E0%B8%B2%E0%B8%84%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95_%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B9%80%E0%B8%89%E0%B8%9E%E0%B8%B2%E0%B8%B0%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95%E0%B8%AD%E0%B8%B8%E0%B8%9B%E0%B8%81%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%84%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B1%E0%B8%81%E0%B8%A3_%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%AB%E0%B8%A1%E0%B9%89%E0%B8%AD%E0%B9%84%E0%B8%AD%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B9%84%E0%B8%9B%E0%B8%88%E0%B8%99%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B9%80%E0%B8%84%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%81%E0%B9%80%E0%B8%9B%E0%B8%A5%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B9%88%E0%B8%A7%E0%B8%99%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%9C%E0%B8%B4%E0%B8%A7%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%A3%E0%B8%B9%E0%B8%9B%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%93%E0%B9%8C%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B1%E0%B8%99%E0%B8%AA%E0%B8%A1%E0%B8%B1%E0%B8%A2_%E2%80%8B%E2%80%8B%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%97%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1%E0%B9%83%E0%B8%99%E0%B9%82%E0%B8%A3%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95_%E0%B8%81%E0%B8%A5%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%94%E0%B8%B4%E0%B8%99%E0%B9%81%E0%B8%97%E0%B9%88%E0%B8%99%E0%B8%82%E0%B8%B8%E0%B8%94%E0%B9%80%E0%B8%88%E0%B8%B2%E0%B8%B0%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99\" title=\"\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e30\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e21\u0e35\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e41\u0e1e\u0e23\u0e48\u0e2b\u0e25\u0e32\u0e22\u0e43\u0e19\u0e20\u0e32\u0e04\u0e2a\u0e48\u0e27\u0e19\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e1e\u0e36\u0e48\u0e07\u0e1e\u0e32\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\n\u0e43\u0e19\u0e02\u0e2d\u0e1a\u0e40\u0e02\u0e15\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e16\u0e39\u0e01\u0e19\u0e33\u0e21\u0e32\u0e43\u0e0a\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e27\u0e49\u0e32\u0e07\u0e02\u0e27\u0e32\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e02\u0e19\u0e2a\u0e48\u0e07 \u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e44\u0e21\u0e48\u0e27\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e08\u0e48\u0e32\u0e22\u0e19\u0e49\u0e33 \u0e2b\u0e23\u0e37\u0e2d\u0e23\u0e30\u0e1a\u0e1a\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e41\u0e25\u0e30\u0e21\u0e35\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19 \u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25\u0e19\u0e49\u0e2d\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e0b\u0e36\u0e48\u0e07\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07\n\u0e22\u0e34\u0e48\u0e07\u0e44\u0e1b\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e1e\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e20\u0e32\u0e04\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e41\u0e25\u0e30\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e31\u0e01\u0e23 \u0e15\u0e31\u0e49\u0e07\u0e41\u0e15\u0e48\u0e2b\u0e21\u0e49\u0e2d\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e41\u0e25\u0e01\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e17\u0e35\u0e48\u0e17\u0e31\u0e19\u0e2a\u0e21\u0e31\u0e22 \u200b\u200b\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e31\u0e49\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e43\u0e19\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e1c\u0e25\u0e34\u0e15 \n\u0e01\u0e25\u0e48\u0e2d\u0e07\u0e40\u0e14\u0e34\u0e19\u0e41\u0e17\u0e48\u0e19\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\">\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e30\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e21\u0e35\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e41\u0e1e\u0e23\u0e48\u0e2b\u0e25\u0e32\u0e22\u0e43\u0e19\u0e20\u0e32\u0e04\u0e2a\u0e48\u0e27\u0e19\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e1e\u0e36\u0e48\u0e07\u0e1e\u0e32\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\n\u0e43\u0e19\u0e02\u0e2d\u0e1a\u0e40\u0e02\u0e15\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e16\u0e39\u0e01\u0e19\u0e33\u0e21\u0e32\u0e43\u0e0a\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e27\u0e49\u0e32\u0e07\u0e02\u0e27\u0e32\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e02\u0e19\u0e2a\u0e48\u0e07 \u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e44\u0e21\u0e48\u0e27\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e08\u0e48\u0e32\u0e22\u0e19\u0e49\u0e33 \u0e2b\u0e23\u0e37\u0e2d\u0e23\u0e30\u0e1a\u0e1a\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e41\u0e25\u0e30\u0e21\u0e35\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19 \u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25\u0e19\u0e49\u0e2d\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e0b\u0e36\u0e48\u0e07\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07\n\u0e22\u0e34\u0e48\u0e07\u0e44\u0e1b\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e1e\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e20\u0e32\u0e04\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e41\u0e25\u0e30\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e31\u0e01\u0e23 \u0e15\u0e31\u0e49\u0e07\u0e41\u0e15\u0e48\u0e2b\u0e21\u0e49\u0e2d\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e41\u0e25\u0e01\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e17\u0e35\u0e48\u0e17\u0e31\u0e19\u0e2a\u0e21\u0e31\u0e22 \u200b\u200b\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e31\u0e49\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e43\u0e19\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e1c\u0e25\u0e34\u0e15 \n\u0e01\u0e25\u0e48\u0e2d\u0e07\u0e40\u0e14\u0e34\u0e19\u0e41\u0e17\u0e48\u0e19\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-black-painted-coating-on-astm-a106-a53-api-5l-gr-b-seamless-pipes-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_astm_a106a53_API_5L_grb_%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%A1%E0%B8%B2%E0%B8%81%E0%B8%A1%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3_%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%84%E0%B8%9B%E0%B8%88%E0%B8%99%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%94%E0%B8%B5%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A1%E0%B8%B5%E0%B8%9A%E0%B8%97%E0%B8%9A%E0%B8%B2%E0%B8%97%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A2%E0%B8%B7%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AB%E0%B8%99%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89%E0%B9%80%E0%B8%9B%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%9A%E0%B8%AB%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99_ASTM_a106A53API_5L_GR_B_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%81%E0%B8%A3%E0%B8%B2%E0%B8%B0%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%82%E0%B8%A5%E0%B8%AB%E0%B8%B0%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AD%E0%B8%A2%E0%B8%B9%E0%B9%88%E0%B8%94%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B1%E0%B8%A1%E0%B8%9C%E0%B8%B1%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%9A%E0%B8%AD%E0%B8%87%E0%B8%84%E0%B9%8C%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%A4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B9%8C%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B9%80%E0%B8%8A%E0%B9%88%E0%B8%99_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%8A%E0%B8%B7%E0%B9%89%E0%B8%99_%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A1%E0%B8%B5_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A7%E0%B8%94%E0%B8%A5%E0%B9%89%E0%B8%AD%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A3%E0%B8%B8%E0%B8%99%E0%B9%81%E0%B8%A3%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A1%E0%B8%9A%E0%B8%B9%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A5%E0%B8%94%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B1%E0%B9%88%E0%B8%A7%E0%B9%84%E0%B8%AB%E0%B8%A5_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A5%E0%B9%89%E0%B8%A1%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%A7_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B9%81%E0%B8%8B%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B9%88%E0%B8%B2%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%88%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%99%E0%B8%AD%E0%B8%81%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%99%E0%B8%B5%E0%B9%89_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%A3%E0%B8%B0%E0%B8%A2%E0%B8%B0%E0%B8%A2%E0%B8%B2%E0%B8%A7_%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%8A%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%81%E0%B8%A3%E0%B8%B2%E0%B8%B0%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%94%E0%B8%AA%E0%B8%B5_%E0%B9%81%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B9%81%E0%B8%97%E0%B8%81_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B6%E0%B8%81%E0%B8%AB%E0%B8%A3%E0%B8%AD_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A5%E0%B8%94%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A2%E0%B8%B7%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%AA%E0%B9%88%E0%B8%87%E0%B8%9C%E0%B8%A5%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%A5%E0%B8%94%E0%B8%A5%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A5%E0%B8%94%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%AB%E0%B8%A2%E0%B8%B8%E0%B8%94%E0%B8%97%E0%B8%B3%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A5%E0%B8%87_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AB%E0%B8%A2%E0%B8%B1%E0%B8%94%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%97%E0%B8%B8%E0%B8%99%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%98%E0%B8%B8%E0%B8%A3%E0%B8%81%E0%B8%B4%E0%B8%88_%E0%B8%99%E0%B8%AD%E0%B8%81%E0%B9%80%E0%B8%AB%E0%B8%99%E0%B8%B7%E0%B8%AD%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B9%89%E0%B8%A7_%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%89%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A5%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B9%80%E0%B8%97%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%88%E0%B8%B0%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2%E0%B8%AD%E0%B8%B8%E0%B8%93%E0%B8%AB%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B3%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%A1%E0%B8%A0%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD_%E0%B8%88%E0%B8%B6%E0%B8%87%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%9E%E0%B8%A5%E0%B8%B1%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A5%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%8D%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%84%E0%B8%A7%E0%B8%9A%E0%B8%84%E0%B8%B8%E0%B8%A1%E0%B8%AD%E0%B8%B8%E0%B8%93%E0%B8%AB%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D_%E0%B9%80%E0%B8%8A%E0%B9%88%E0%B8%99_%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A_HVAC_%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AB%E0%B8%99%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%81%E0%B9%87%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A1%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B9%87%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%B8%E0%B8%95%E0%B8%B1%E0%B8%A7%E0%B8%95%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%94%E0%B8%B5%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%B5%E0%B8%A3%E0%B8%B9%E0%B8%9B%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%93%E0%B9%8C%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%A1%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B2%E0%B8%8A%E0%B8%B5%E0%B8%9E_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%81%E0%B8%95%E0%B8%81%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%A0%E0%B8%97%E0%B8%AD%E0%B8%B7%E0%B9%88%E0%B8%99%E0%B9%86_%E0%B8%AD%E0%B8%B5%E0%B8%81%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%AD%E0%B8%B3%E0%B8%99%E0%B8%A7%E0%B8%A2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B0%E0%B8%94%E0%B8%A7%E0%B8%81%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%88%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B4%E0%B8%99%E0%B8%84%E0%B9%89%E0%B8%B2%E0%B8%84%E0%B8%87%E0%B8%84%E0%B8%A5%E0%B8%B1%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%A3%E0%B8%A7%E0%B8%88%E0%B8%AA%E0%B8%AD%E0%B8%9A_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%82%E0%B8%B1%E0%B9%89%E0%B8%99%E0%B8%95%E0%B8%AD%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%B2_%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AB%E0%B8%A2%E0%B8%B1%E0%B8%94%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%97%E0%B8%A3%E0%B8%B1%E0%B8%9E%E0%B8%A2%E0%B8%B2%E0%B8%81%E0%B8%A3%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9C%E0%B8%B9%E0%B9%89%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B8%9A%E0%B8%B1%E0%B8%95%E0%B8%B4%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%88%E0%B9%89%E0%B8%B2%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%9A%E0%B8%B3%E0%B8%A3%E0%B8%B8%E0%B8%87_%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%81%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B1%E0%B9%89%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%B9%E0%B8%A7%E0%B8%B5_%E0%B8%9B%E0%B8%81%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%9C%E0%B8%A5%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B1%E0%B8%A1%E0%B8%9C%E0%B8%B1%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%9A%E0%B9%81%E0%B8%AA%E0%B8%87%E0%B9%81%E0%B8%94%E0%B8%94%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%99%E0%B8%B2%E0%B8%99_%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%B4%E0%B8%94%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B8%81%E0%B8%A5%E0%B8%B2%E0%B8%87%E0%B9%81%E0%B8%88%E0%B9%89%E0%B8%87%E0%B8%AB%E0%B8%A3%E0%B8%B7%E0%B8%AD%E0%B9%81%E0%B8%9A%E0%B8%9A%E0%B9%80%E0%B8%9B%E0%B8%B4%E0%B8%94%E0%B9%82%E0%B8%A5%E0%B9%88%E0%B8%87_%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5_UV_%E0%B8%AD%E0%B8%B2%E0%B8%88%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%81%E0%B8%B4%E0%B8%94%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%AA%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%9C%E0%B8%B4%E0%B8%A7%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%80%E0%B8%A1%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%9C%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B9%84%E0%B8%9B_%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%AA%E0%B8%A3%E0%B8%B8%E0%B8%9B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%9A%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_ASTM_A106A53API_5L_GRB_%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%82%E0%B8%A2%E0%B8%8A%E0%B8%99%E0%B9%8C%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3_%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99_%E0%B8%89%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A1%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B9%87%E0%B8%99_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B5%E0%B8%A2%E0%B8%B9%E0%B8%A7%E0%B8%B5_%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%95%E0%B8%B1%E0%B8%A7%E0%B9%80%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%81%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%A3%E0%B8%A7%E0%B8%A1%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%9B%E0%B8%B2_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99_%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A5%E0%B8%87%E0%B8%97%E0%B8%B8%E0%B8%99%E0%B9%83%E0%B8%99%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%84%E0%B8%B8%E0%B8%93%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%98%E0%B8%B8%E0%B8%A3%E0%B8%81%E0%B8%B4%E0%B8%88%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%88%E0%B8%B6%E0%B8%87%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89_%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%B2%E0%B8%A7%E0%B8%99%E0%B8%B2%E0%B8%99%E0%B8%82%E0%B8%B6%E0%B9%89%E0%B8%99_%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%94%E0%B8%B3%E0%B9%80%E0%B8%99%E0%B8%B4%E0%B8%99%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%84%E0%B8%B8%E0%B9%89%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%97%E0%B8%B8%E0%B8%99\"><\/span>\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d <a href=\"\/tag\/astm-a106\" target=\"_blank\"><strong><a href=\"\/tag\/astm\" target=\"_blank\"><strong>astm<\/strong><\/a> a106<\/strong><\/a>\/<a href=\"\/tag\/a53\" target=\"_blank\"><strong>a53<\/strong><\/a>\/<a href=\"\/tag\/api\" target=\"_blank\"><strong><strong>\u00a0API<\/strong><\/strong><\/a> 5L <a href=\"\/tag\/gr-b\" target=\"_blank\"><strong>gr.b<\/strong><\/a> \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e21\u0e32\u0e01\u0e21\u0e32\u0e22\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e0a\u0e31\u0e49\u0e19\u0e2a\u0e35\u0e14\u0e33 \u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49<\/p>\n<p>\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e44\u0e14\u0e49\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e2b\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19 ASTM <a href=\"\/tag\/a106\" target=\"_blank\"><strong>a106\/<\/strong><\/a>A53\/API 5L GR .B \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a \u0e0a\u0e31\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e35\u0e14\u0e33\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e21\u0e35\u0e24\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e40\u0e0a\u0e48\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e0a\u0e37\u0e49\u0e19 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35 \u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25 \u0e04\u0e27\u0e32\u0e21\u0e25\u0e49\u0e21\u0e40\u0e2b\u0e25\u0e27 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e0b\u0e48\u0e2d\u0e21\u0e41\u0e0b\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32\u0e43\u0e0a\u0e49\u0e08\u0e48\u0e32\u0e22\u0e2a\u0e39\u0e07<\/p>\n<p>\u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e22\u0e30\u0e22\u0e32\u0e27 \u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e0a\u0e31\u0e49\u0e19\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e35\u0e22\u0e14\u0e2a\u0e35 \u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e2a\u0e36\u0e01\u0e2b\u0e23\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e41\u0e25\u0e30\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e02\u0e36\u0e49\u0e19\u0e19\u0e35\u0e49\u0e2a\u0e48\u0e07\u0e1c\u0e25\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32\u0e25\u0e14\u0e25\u0e07\u0e41\u0e25\u0e30\u0e25\u0e14\u0e40\u0e27\u0e25\u0e32\u0e2b\u0e22\u0e38\u0e14\u0e17\u0e33\u0e07\u0e32\u0e19\u0e25\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19\u0e42\u0e14\u0e22\u0e23\u0e27\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e18\u0e38\u0e23\u0e01\u0e34\u0e08<\/p>\n<p>\u0e19\u0e2d\u0e01\u0e40\u0e2b\u0e19\u0e37\u0e2d\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e49\u0e27 \u0e2a\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e40\u0e1b\u0e47\u0e19\u0e09\u0e19\u0e27\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e14\u0e01\u0e32\u0e23\u0e16\u0e48\u0e32\u0e22\u0e40\u0e17\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e08\u0e30\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e01\u0e29\u0e32\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e20\u0e32\u0e22\u0e43\u0e19\u0e17\u0e48\u0e2d \u0e08\u0e36\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e25\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d \u0e40\u0e0a\u0e48\u0e19 \u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e41\u0e25\u0e30\u0e23\u0e30\u0e1a\u0e1a HVAC<\/p>\n<p>\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e2d\u0e35\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e01\u0e47\u0e04\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e38\u0e15\u0e31\u0e27\u0e15\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e21\u0e35\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e41\u0e25\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e21\u0e37\u0e2d\u0e2d\u0e32\u0e0a\u0e35\u0e1e \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e17\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2d\u0e37\u0e48\u0e19\u0e46 \u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e2d\u0e33\u0e19\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e30\u0e14\u0e27\u0e01\u0e43\u0e19\u0e01\u0e32\u0e23\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e34\u0e19\u0e04\u0e49\u0e32\u0e04\u0e07\u0e04\u0e25\u0e31\u0e07 \u0e01\u0e32\u0e23\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a \u0e41\u0e25\u0e30\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32 \u0e1b\u0e23\u0e30\u0e2b\u0e22\u0e31\u0e14\u0e40\u0e27\u0e25\u0e32\u0e41\u0e25\u0e30\u0e17\u0e23\u0e31\u0e1e\u0e22\u0e32\u0e01\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1c\u0e39\u0e49\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e08\u0e49\u0e32\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e0b\u0e48\u0e2d\u0e21\u0e1a\u0e33\u0e23\u0e38\u0e07<\/p>\n<p>\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e1b\u0e01\u0e1b\u0e49\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e08\u0e32\u0e01\u0e1c\u0e25\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e14\u0e14\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e27\u0e25\u0e32\u0e19\u0e32\u0e19 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e01\u0e25\u0e32\u0e07\u0e41\u0e08\u0e49\u0e07\u0e2b\u0e23\u0e37\u0e2d\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e34\u0e14\u0e42\u0e25\u0e48\u0e07 \u0e0b\u0e36\u0e48\u0e07\u0e23\u0e31\u0e07\u0e2a\u0e35 UV \u0e2d\u0e32\u0e08\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e2a\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e21\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e27\u0e25\u0e32\u0e1c\u0e48\u0e32\u0e19\u0e44\u0e1b<\/p>\n<p>\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e09\u0e19\u0e27\u0e19\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 \u0e02\u0e49\u0e2d\u0e14\u0e35\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e15\u0e31\u0e27\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07 \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e1b\u0e32 \u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e25\u0e07\u0e17\u0e38\u0e19\u0e43\u0e19\u0e17\u0e48\u0e2d\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07 \u0e18\u0e38\u0e23\u0e01\u0e34\u0e08\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e08\u0e36\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49 \u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19\u0e02\u0e36\u0e49\u0e19 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e04\u0e38\u0e49\u0e21\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33<\/p>\n<h1 id=\"applications-and-durability-of-black-painted-astm-a106-a53-api-5l-gr-b-seamless-pipes-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%95%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%9A_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%A1%E0%B8%B5%E0%B8%9A%E0%B8%97%E0%B8%9A%E0%B8%B2%E0%B8%97%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B9%80%E0%B8%99%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%84%E0%B8%94%E0%B9%89%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%81%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%9E%E0%B8%B4%E0%B9%80%E0%B8%A8%E0%B8%A9_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A1%E0%B8%B5%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%81%E0%B8%9E%E0%B8%A3%E0%B9%88%E0%B8%AB%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B8%A0%E0%B8%B2%E0%B8%84%E0%B8%AA%E0%B9%88%E0%B8%A7%E0%B8%99%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B9%80%E0%B8%99%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%B2%E0%B8%A1%E0%B8%B2%E0%B8%A3%E0%B8%96%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%99%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B9%81%E0%B8%A7%E0%B8%94%E0%B8%A5%E0%B9%89%E0%B8%AD%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A3%E0%B8%B8%E0%B8%99%E0%B9%81%E0%B8%A3%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%A7%E0%B8%B0%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%A1%E0%B8%B5%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%B9%E0%B8%87_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%B3%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%B2%E0%B9%83%E0%B8%88%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%97%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%95%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%9E%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%9E%E0%B8%B2%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B8%9A%E0%B8%B1%E0%B8%95%E0%B8%B4%E0%B8%87%E0%B8%B2%E0%B8%99_%E0%B9%83%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%9A%E0%B9%80%E0%B8%82%E0%B8%95%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9E%E0%B8%B1%E0%B8%92%E0%B8%99%E0%B8%B2%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD_ASTM_A106A53API_5L_GRB_%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B8%96%E0%B8%B9%E0%B8%81%E0%B8%99%E0%B8%B3%E0%B8%A1%E0%B8%B2%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%81%E0%B8%A7%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%82%E0%B8%A7%E0%B8%B2%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B9%88%E0%B8%AD%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%9E%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%82%E0%B8%99%E0%B8%AA%E0%B9%88%E0%B8%87_%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%A7%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%88%E0%B8%B0%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B9%88%E0%B8%87%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B9%8A%E0%B8%B2%E0%B8%8B_%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%88%E0%B9%88%E0%B8%B2%E0%B8%A2%E0%B8%99%E0%B9%89%E0%B8%B3_%E0%B8%AB%E0%B8%A3%E0%B8%B7%E0%B8%AD%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B8%9A%E0%B8%B3%E0%B8%9A%E0%B8%B1%E0%B8%94%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%84%E0%B8%94%E0%B9%89%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%A1%E0%B8%B5%E0%B8%AD%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A2%E0%B8%B2%E0%B8%A7%E0%B8%99%E0%B8%B2%E0%B8%99_%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%84%E0%B8%A3%E0%B9%89%E0%B8%A3%E0%B8%AD%E0%B8%A2%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%8A%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A3%E0%B8%B1%E0%B9%88%E0%B8%A7%E0%B9%84%E0%B8%AB%E0%B8%A5%E0%B8%99%E0%B9%89%E0%B8%AD%E0%B8%A2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B8%E0%B8%94_%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%8B%E0%B8%B6%E0%B9%88%E0%B8%87%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%9B%E0%B8%A5%E0%B8%AD%E0%B8%94%E0%B8%A0%E0%B8%B1%E0%B8%A2%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%99%E0%B9%88%E0%B8%B2%E0%B9%80%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%96%E0%B8%B7%E0%B8%AD%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87_%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%84%E0%B8%9B%E0%B8%81%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B1%E0%B9%89%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B8%9E%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%A0%E0%B8%B2%E0%B8%84%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95_%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B9%80%E0%B8%89%E0%B8%9E%E0%B8%B2%E0%B8%B0%E0%B8%AD%E0%B8%A2%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%A2%E0%B8%B4%E0%B9%88%E0%B8%87%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95%E0%B8%AD%E0%B8%B8%E0%B8%9B%E0%B8%81%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%80%E0%B8%84%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B1%E0%B8%81%E0%B8%A3_%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%AB%E0%B8%A1%E0%B9%89%E0%B8%AD%E0%B9%84%E0%B8%AD%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%AD%E0%B8%B8%E0%B8%95%E0%B8%AA%E0%B8%B2%E0%B8%AB%E0%B8%81%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B9%84%E0%B8%9B%E0%B8%88%E0%B8%99%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B9%80%E0%B8%84%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B9%81%E0%B8%A5%E0%B8%81%E0%B9%80%E0%B8%9B%E0%B8%A5%E0%B8%B5%E0%B9%88%E0%B8%A2%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99_%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B8%97%E0%B8%B3%E0%B8%AB%E0%B8%99%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9B%E0%B9%87%E0%B8%99%E0%B8%AA%E0%B9%88%E0%B8%A7%E0%B8%99%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%AA%E0%B8%B3%E0%B8%84%E0%B8%B1%E0%B8%8D%E0%B9%83%E0%B8%99%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%A7%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95%E0%B8%95%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B9%86_%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%9C%E0%B8%B4%E0%B8%A7%E0%B8%97%E0%B8%B2%E0%B8%AA%E0%B8%B5%E0%B8%94%E0%B8%B3%E0%B9%84%E0%B8%A1%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B5%E0%B8%A2%E0%B8%87%E0%B9%81%E0%B8%95%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B4%E0%B9%88%E0%B8%A1%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%81%E0%B8%A3%E0%B9%88%E0%B8%AD%E0%B8%99_%E0%B9%81%E0%B8%95%E0%B9%88%E0%B8%A2%E0%B8%B1%E0%B8%87%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%A3%E0%B8%B9%E0%B8%9B%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%93%E0%B9%8C%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B8%B1%E0%B8%99%E0%B8%AA%E0%B8%A1%E0%B8%B1%E0%B8%A2_%E2%80%8B%E2%80%8B%E0%B8%97%E0%B8%B3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B9%80%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%B0%E0%B8%AA%E0%B8%B3%E0%B8%AB%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%97%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%8A%E0%B9%89%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AA%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%A1%E0%B9%83%E0%B8%99%E0%B9%82%E0%B8%A3%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%9C%E0%B8%A5%E0%B8%B4%E0%B8%95_%E0%B8%81%E0%B8%A5%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B9%80%E0%B8%94%E0%B8%B4%E0%B8%99%E0%B9%81%E0%B8%97%E0%B9%88%E0%B8%99%E0%B8%82%E0%B8%B8%E0%B8%94%E0%B9%80%E0%B8%88%E0%B8%B2%E0%B8%B0%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B8%A1%E0%B8%B1%E0%B8%99\"><\/span>\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e30\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e21\u0e35\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e41\u0e1e\u0e23\u0e48\u0e2b\u0e25\u0e32\u0e22\u0e43\u0e19\u0e20\u0e32\u0e04\u0e2a\u0e48\u0e27\u0e19\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e1e\u0e36\u0e48\u0e07\u0e1e\u0e32\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19<\/p>\n<p>\u0e43\u0e19\u0e02\u0e2d\u0e1a\u0e40\u0e02\u0e15\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e16\u0e39\u0e01\u0e19\u0e33\u0e21\u0e32\u0e43\u0e0a\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e27\u0e49\u0e32\u0e07\u0e02\u0e27\u0e32\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e02\u0e19\u0e2a\u0e48\u0e07 \u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e44\u0e21\u0e48\u0e27\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e08\u0e48\u0e32\u0e22\u0e19\u0e49\u0e33 \u0e2b\u0e23\u0e37\u0e2d\u0e23\u0e30\u0e1a\u0e1a\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e41\u0e25\u0e30\u0e21\u0e35\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19 \u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d\u0e0a\u0e48\u0e27\u0e22\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25\u0e19\u0e49\u0e2d\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e0b\u0e36\u0e48\u0e07\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07<\/p>\n<p>\u0e22\u0e34\u0e48\u0e07\u0e44\u0e1b\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e22\u0e31\u0e07\u0e1e\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e20\u0e32\u0e04\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e41\u0e25\u0e30\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e31\u0e01\u0e23 \u0e15\u0e31\u0e49\u0e07\u0e41\u0e15\u0e48\u0e2b\u0e21\u0e49\u0e2d\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e41\u0e25\u0e01\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e1e\u0e37\u0e49\u0e19\u0e1c\u0e34\u0e27\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e23\u0e39\u0e1b\u0e25\u0e31\u0e01\u0e29\u0e13\u0e4c\u0e17\u0e35\u0e48\u0e17\u0e31\u0e19\u0e2a\u0e21\u0e31\u0e22 \u200b\u200b\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e31\u0e49\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21\u0e43\u0e19\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e1c\u0e25\u0e34\u0e15<br \/>\n\u0e01\u0e25\u0e48\u0e2d\u0e07\u0e40\u0e14\u0e34\u0e19\u0e41\u0e17\u0e48\u0e19\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e22\u0e32\u0e19\u0e22\u0e19\u0e15\u0e4c \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e16\u0e39\u0e01\u0e19\u0e33\u0e21\u0e32\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e2d\u0e40\u0e2a\u0e35\u0e22 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b\u0e44\u0e2d\u0e40\u0e2a\u0e35\u0e22\u0e17\u0e35\u0e48\u0e21\u0e35\u0e24\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e16\u0e36\u0e07\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e17\u0e35\u0e48\u0e17\u0e49\u0e32\u0e17\u0e32\u0e22 \u0e0b\u0e36\u0e48\u0e07\u0e21\u0e35\u0e2a\u0e48\u0e27\u0e19\u0e0a\u0e48\u0e27\u0e22\u0e43\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e02\u0e2d\u0e07\u0e22\u0e32\u0e19\u0e1e\u0e32\u0e2b\u0e19\u0e30 \u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e22\u0e31\u0e07\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e2d\u0e35\u0e01\u0e0a\u0e31\u0e49\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e2d\u0e40\u0e2a\u0e35\u0e22<\/p>\n<p>\u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e20\u0e32\u0e04\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e1c\u0e25\u0e34\u0e15\u0e44\u0e1f\u0e1f\u0e49\u0e32 \u0e44\u0e21\u0e48\u0e27\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e17\u0e48\u0e2d\u0e2a\u0e48\u0e07\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e43\u0e19\u0e42\u0e23\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e1e\u0e25\u0e31\u0e07\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2b\u0e23\u0e37\u0e2d\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e22\u0e47\u0e19\u0e43\u0e19\u0e42\u0e23\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e19\u0e34\u0e27\u0e40\u0e04\u0e25\u0e35\u0e22\u0e23\u0e4c \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2a\u0e39\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d\u0e0a\u0e48\u0e27\u0e22\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e16\u0e36\u0e07\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e02\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e44\u0e2b\u0e25\u0e17\u0e35\u0e48\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e \u0e25\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e0d\u0e40\u0e2a\u0e35\u0e22\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19 \u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e43\u0e2b\u0e49\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.petroleumtube.com\/wp-content\/uploads\/2023\/12\/H12bcc5dd80f84e24bc784491dafe8ab9p.webp\" alt=\"alt-3917\" class=\"wp-image-3917\" id=\"i3917\" \/><br \/>\n\u0e43\u0e19\u0e02\u0e2d\u0e1a\u0e40\u0e02\u0e15\u0e02\u0e2d\u0e07\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e23\u0e21\u0e2a\u0e34\u0e48\u0e07\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21 \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e16\u0e39\u0e01\u0e19\u0e33\u0e21\u0e32\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e42\u0e23\u0e07\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22\u0e41\u0e25\u0e30\u0e42\u0e23\u0e07\u0e07\u0e32\u0e19\u0e41\u0e22\u0e01\u0e40\u0e01\u0e25\u0e37\u0e2d\u0e2d\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e49\u0e33\u0e17\u0e30\u0e40\u0e25 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e02\u0e2d\u0e07\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22\u0e41\u0e25\u0e30\u0e19\u0e49\u0e33\u0e40\u0e01\u0e25\u0e37\u0e2d \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e16\u0e36\u0e07\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e23\u0e38\u0e07\u0e23\u0e31\u0e01\u0e29\u0e32\u0e02\u0e31\u0e49\u0e19\u0e15\u0e48\u0e33 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e17\u0e35\u0e48\u0e02\u0e32\u0e14\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23\u0e08\u0e31\u0e14\u0e2b\u0e32\u0e19\u0e49\u0e33\u0e2a\u0e30\u0e2d\u0e32\u0e14\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e19\u0e49\u0e33\u0e40\u0e2a\u0e35\u0e22 \u0e0b\u0e36\u0e48\u0e07\u0e40\u0e2d\u0e37\u0e49\u0e2d\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e22\u0e31\u0e48\u0e07\u0e22\u0e37\u0e19\u0e14\u0e49\u0e32\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21<\/p>\n<p>\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d ASTM A106\/A53\/API 5L GR.B \u0e17\u0e35\u0e48\u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e1e\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e43\u0e19\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e23\u0e39\u0e1b\u0e41\u0e1a\u0e1a \u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e2d\u0e1a\u0e14\u0e49\u0e32\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e44\u0e21\u0e48\u0e27\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 \u0e22\u0e32\u0e19\u0e22\u0e19\u0e15\u0e4c \u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19 \u0e2b\u0e23\u0e37\u0e2d\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e23\u0e21\u0e2a\u0e34\u0e48\u0e07\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e02\u0e32\u0e14\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d \u0e43\u0e19\u0e02\u0e13\u0e30\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e21\u0e35\u0e01\u0e32\u0e23\u0e1e\u0e31\u0e12\u0e19\u0e32\u0e41\u0e25\u0e30\u0e02\u0e22\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07 \u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e04\u0e32\u0e14\u0e27\u0e48\u0e32\u0e08\u0e30\u0e22\u0e31\u0e07\u0e04\u0e07\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07 \u0e42\u0e14\u0e22\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e19\u0e27\u0e31\u0e15\u0e01\u0e23\u0e23\u0e21\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21\u0e43\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing vs carrier pipe, casing for ac pipe, casing steel pipe, casing pipe size, casing pvc pipe\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/tEoNckWVwVU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nIn the <a href=\"\/tag\/real\" target=\"_blank\"><strong>real<\/strong><\/a>m of <a href=\"\/tag\/environmental\" target=\"_blank\"><strong>environmental<\/strong><\/a> <a href=\"\/tag\/engineering\" target=\"_blank\"><strong>enginee<a href=\"\/tag\/ring\" target=\"_blank\"><strong>ring<\/strong><\/a><\/strong><\/a>, black <a href=\"\/tag\/painted\" target=\"_blank\"><strong>painted<\/strong><\/a> ASTM A106\/A53\/API 5L GR.B <a href=\"\/tag\/seamless\" target=\"_blank\"><strong>seamless<\/strong><\/a> <a href=\"\/tag\/pipe\" target=\"_blank\"><strong><strong> Pipe<\/strong><\/strong><\/a>s are utilized in <a href=\"\/tag\/waste\" target=\"_blank\"><strong>waste<\/strong><\/a>water <a href=\"\/tag\/treatment\" target=\"_blank\"><strong>treatment<\/strong><\/a> plants and desalination facilities. <a href=\"\/tag\/these\" target=\"_blank\"><strong>these<\/strong><\/a> pipes <a href=\"\/tag\/with\" target=\"_blank\"><strong>with<\/strong><\/a><a href=\"\/tag\/stand\" target=\"_blank\"><strong>stand<\/strong><\/a> the corrosive nature of sewage and sa<a href=\"\/tag\/line\" target=\"_blank\"><strong>line<\/strong><\/a> water, ensuring <a href=\"\/tag\/reliable\" target=\"_blank\"><strong>reliable<\/strong><\/a> <a href=\"\/tag\/performance\" target=\"_blank\"><strong><a href=\"\/tag\/per\" target=\"_blank\"><strong>per<\/strong><\/a>formance<\/strong><\/a> and minimal <a href=\"\/tag\/maintenance\" target=\"_blank\"><strong>Maintenance<\/strong><\/a> <a href=\"\/tag\/requirements\" target=\"_blank\"><strong><a href=\"\/tag\/requirement\" target=\"_blank\"><strong>requirement<\/strong><\/a>s<\/strong><\/a>. <a href=\"\/tag\/their\" target=\"_blank\"><strong>their<\/strong><\/a> <a href=\"\/tag\/durability\" target=\"_blank\"><strong>dur<a href=\"\/tag\/ability\" target=\"_blank\"><strong>ability<\/strong><\/a><\/strong><\/a> and <a href=\"\/tag\/resistance\" target=\"_blank\"><strong>resistance<\/strong><\/a> to <a href=\"\/tag\/corrosion\" target=\"_blank\"><strong>corrosion<\/strong><\/a> <a href=\"\/tag\/make\" target=\"_blank\"><strong>make<\/strong><\/a> them indispensable in the provision of c<a href=\"\/tag\/lean\" target=\"_blank\"><strong>lean<\/strong><\/a> water and the treatment of wastewater, contributing to environmental <a href=\"\/tag\/sustainability\" target=\"_blank\"><strong>sustainability<\/strong><\/a>.<\/p>\n<p>In conclusion, black painted ASTM A106\/A53\/API 5L GR.B seamless pipes <a href=\"\/tag\/find\" target=\"_blank\"><strong>find<\/strong><\/a> <a href=\"\/tag\/diverse\" target=\"_blank\"><strong>diverse<\/strong><\/a> <a href=\"\/tag\/applications\" target=\"_blank\"><strong><a href=\"\/tag\/application\" target=\"_blank\"><strong>application<\/strong><\/a>s<\/strong><\/a> a<a href=\"\/tag\/cross\" target=\"_blank\"><strong>cross<\/strong><\/a> <a href=\"\/tag\/various\" target=\"_blank\"><strong>various<\/strong><\/a> industries, owing to their <a href=\"\/tag\/exceptional\" target=\"_blank\"><strong>exceptional<\/strong><\/a> durability and versatility. Whether it&#8217;s in infra<a href=\"\/tag\/structure\" target=\"_blank\"><strong>structure<\/strong><\/a> <a href=\"\/tag\/development\" target=\"_blank\"><strong>development<\/strong><\/a>, <a href=\"\/tag\/manufacturing\" target=\"_blank\"><strong>manufacturing<\/strong><\/a>, automotive, <a href=\"\/tag\/energy\" target=\"_blank\"><strong>energy<\/strong><\/a>, or environmental engineering, these pipes offer reliable performance under <a href=\"\/tag\/demand\" target=\"_blank\"><strong>demand<\/strong><\/a>ing conditions. Their seamless <a href=\"\/tag\/construction\" target=\"_blank\"><strong>construction<\/strong><\/a> and black paint <a href=\"\/tag\/coating\" target=\"_blank\"><strong>coating<\/strong><\/a> <a href=\"\/tag\/enhance\" target=\"_blank\"><strong>enhance<\/strong><\/a> their <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a>, making them indispensable components in critical <a href=\"\/tag\/industrial\" target=\"_blank\"><strong>industrial<\/strong><\/a> <a href=\"\/tag\/process\" target=\"_blank\"><strong>process<\/strong><\/a>es. As industries continue to <a href=\"\/tag\/evolve\" target=\"_blank\"><strong>evolve<\/strong><\/a> and expand, the demand for these pipes is expected to remain <a href=\"\/tag\/robust\" target=\"_blank\"><strong>robust<\/strong><\/a>, driving further <a href=\"\/tag\/innovation\" target=\"_blank\"><strong>innovation<\/strong><\/a>s in their <a href=\"\/tag\/design\" target=\"_blank\"><strong>design<\/strong><\/a> and application.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e23\u0e2d\u0e22\u0e15\u0e48\u0e2d <a href=\"\/tag\/astm-a106\" target=\"_blank\"><strong><a href=\"\/tag\/astm\" target=\"_blank\"><strong>astm<\/strong><\/a> a106<\/strong><\/a>\/<a href=\"\/tag\/a53\" target=\"_blank\"><strong>a53<\/strong><\/a>\/\u00a0<a href=\"\/tag\/api\" target=\"_blank\"><strong><strong>\u00a0API<\/strong><\/strong><\/a> 5L <a href=\"\/tag\/gr-b\" target=\"_blank\"><strong>gr.b<\/strong><\/a> \u0e17\u0e32\u0e2a\u0e35\u0e14\u0e33\u0e43\u0e2b\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e21\u0e32\u0e01\u0e21\u0e32\u0e22\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e0a\u0e31\u0e49\u0e19\u0e2a\u0e35\u0e14\u0e33 \u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e41\u0e15\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21 \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e02\u0e49\u0e2d\u0e14\u0e35\u0e43\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22 \u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e44\u0e1b\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e22\u0e37\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49 \u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e40\u0e1b\u0e47\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e44\u0e14\u0e49\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e2b\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e2a\u0e35\u0e14\u0e33\u0e1a\u0e19 ASTM <a href=\"\/tag\/a106\" target=\"_blank\"><strong>a106\/<\/strong><\/a>A53\/API 5L GR .B \u0e17\u0e48\u0e2d\u0e44\u0e23\u0e49\u0e15\u0e30\u0e40\u0e02\u0e47\u0e1a \u0e0a\u0e31\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e35\u0e14\u0e33\u0e17\u0e33\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e32\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e2a\u0e31\u0e21\u0e1c\u0e31\u0e2a\u0e01\u0e31\u0e1a\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e21\u0e35\u0e24\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e40\u0e0a\u0e48\u0e19&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[1311,1238,1188,1154,1142,1127,1123,1065,935,888,359,331,264,238,212,173,146,51,53],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"th","enabled_languages":["en","es","de","fr","ru","it","pl","hi","th","ko","sv"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"pl":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"sv":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/posts\/7027"}],"collection":[{"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/comments?post=7027"}],"version-history":[{"count":0,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/posts\/7027\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/media\/1515"}],"wp:attachment":[{"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/media?parent=7027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/categories?post=7027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.petroleumtube.com\/th\/wp-json\/wp\/v2\/tags?post=7027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}