{"id":7423,"date":"2024-05-20T09:42:39","date_gmt":"2024-05-20T09:42:39","guid":{"rendered":"https:\/\/www.petroleumtube.com\/?p=7423"},"modified":"2024-05-21T02:09:57","modified_gmt":"2024-05-21T02:09:57","slug":"welding-to-n80-casing-3","status":"publish","type":"post","link":"https:\/\/www.petroleumtube.com\/th\/welding-to-n80-casing-3\/","title":{"rendered":"\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 3"},"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\" 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\u0e19\u0e34\u0e22\u0e21\u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2d\u0e40\u0e19\u0e01\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e23\u0e2d\u0e22\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23\u0e01\u0e47\u0e15\u0e32\u0e21 \u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e0a\u0e49\u0e17\u0e31\u0e01\u0e29\u0e30\u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e2a\u0e1a\u0e01\u0e32\u0e23\u0e13\u0e4c\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e2a\u0e39\u0e07 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\u0e41\u0e25\u0e30\u0e22\u0e31\u0e07\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27\n\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e17\u0e33\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e0a\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e2a\u0e27\u0e21\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1a\u0e38\u0e04\u0e04\u0e25\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e2b\u0e21\u0e27\u0e01\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e16\u0e38\u0e07\u0e21\u0e37\u0e2d 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N80 \u0e04\u0e37\u0e2d\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e2d\u0e32\u0e23\u0e4c\u0e01\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e09\u0e19\u0e27\u0e19\u0e2b\u0e38\u0e49\u0e21 (SMAW) \u0e2b\u0e23\u0e37\u0e2d\u0e17\u0e35\u0e48\u0e40\u0e23\u0e35\u0e22\u0e01\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e41\u0e1a\u0e1a\u0e41\u0e17\u0e48\u0e07 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e19\u0e35\u0e49\u0e43\u0e0a\u0e49\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e2a\u0e48\u0e27\u0e19\u0e42\u0e04\u0e49\u0e07\u0e02\u0e2d\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e42\u0e17\u0e23\u0e14\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e41\u0e25\u0e49\u0e27\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d 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\u0e19\u0e34\u0e22\u0e21\u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2d\u0e40\u0e19\u0e01\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e23\u0e2d\u0e22\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23\u0e01\u0e47\u0e15\u0e32\u0e21 \u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e0a\u0e49\u0e17\u0e31\u0e01\u0e29\u0e30\u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e2a\u0e1a\u0e01\u0e32\u0e23\u0e13\u0e4c\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e2a\u0e39\u0e07 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\u0e41\u0e25\u0e30\u0e22\u0e31\u0e07\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27\n\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e17\u0e33\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e0a\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e2a\u0e27\u0e21\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1a\u0e38\u0e04\u0e04\u0e25\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e2b\u0e21\u0e27\u0e01\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e16\u0e38\u0e07\u0e21\u0e37\u0e2d 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\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e21\u0e32\u0e01\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e43\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e04\u0e37\u0e2d\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e2d\u0e32\u0e23\u0e4c\u0e01\u0e42\u0e25\u0e2b\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e09\u0e19\u0e27\u0e19\u0e2b\u0e38\u0e49\u0e21 (SMAW) \u0e2b\u0e23\u0e37\u0e2d\u0e17\u0e35\u0e48\u0e40\u0e23\u0e35\u0e22\u0e01\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e41\u0e1a\u0e1a\u0e41\u0e17\u0e48\u0e07 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\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e01\u0e25\u0e38\u0e48\u0e21\u0e42\u0e25\u0e2b\u0e30\u0e2b\u0e25\u0e2d\u0e21\u0e40\u0e2b\u0e25\u0e27\u0e17\u0e35\u0e48\u0e08\u0e30\u0e40\u0e22\u0e47\u0e19\u0e15\u0e31\u0e27\u0e41\u0e25\u0e30\u0e41\u0e02\u0e47\u0e07\u0e15\u0e31\u0e27\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e23\u0e2d\u0e22\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21<\/p>\n<p>\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23 SMAW \u0e19\u0e34\u0e22\u0e21\u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e2d\u0e40\u0e19\u0e01\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e23\u0e2d\u0e22\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23\u0e01\u0e47\u0e15\u0e32\u0e21 \u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e0a\u0e49\u0e17\u0e31\u0e01\u0e29\u0e30\u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e2a\u0e1a\u0e01\u0e32\u0e23\u0e13\u0e4c\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e2a\u0e39\u0e07 \u0e0a\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e2a\u0e48\u0e27\u0e19\u0e42\u0e04\u0e49\u0e07 \u0e04\u0e27\u0e32\u0e21\u0e40\u0e23\u0e47\u0e27\u0e01\u0e32\u0e23\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e17\u0e35\u0e48 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\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e42\u0e17\u0e23\u0e14\u0e44\u0e2e\u0e42\u0e14\u0e23\u0e40\u0e08\u0e19\u0e15\u0e48\u0e33\u0e08\u0e30\u0e43\u0e0a\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27\u0e17\u0e35\u0e48\u0e40\u0e01\u0e34\u0e14\u0e08\u0e32\u0e01\u0e44\u0e2e\u0e42\u0e14\u0e23\u0e40\u0e08\u0e19<\/p>\n<p>\u0e2b\u0e25\u0e31\u0e07\u0e08\u0e32\u0e01\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e40\u0e2a\u0e23\u0e47\u0e08\u0e2a\u0e34\u0e49\u0e19 \u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e43\u0e2b\u0e49\u0e17\u0e48\u0e2d\u0e40\u0e22\u0e47\u0e19\u0e25\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e0a\u0e49\u0e32\u0e46 \u0e08\u0e19\u0e16\u0e36\u0e07\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2b\u0e49\u0e2d\u0e07 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e32\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e0a\u0e49\u0e32\u0e19\u0e35\u0e49\u0e40\u0e23\u0e35\u0e22\u0e01\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e2d\u0e1a\u0e23\u0e49\u0e2d\u0e19\u0e2b\u0e25\u0e31\u0e07\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e0a\u0e48\u0e27\u0e22\u0e1a\u0e23\u0e23\u0e40\u0e17\u0e32\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e17\u0e35\u0e48\u0e2d\u0e32\u0e08\u0e40\u0e01\u0e34\u0e14\u0e02\u0e36\u0e49\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e41\u0e25\u0e30\u0e22\u0e31\u0e07\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27<\/p>\n<p>\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e22\u0e34\u0e48\u0e07\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e17\u0e33\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e0a\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e2a\u0e27\u0e21\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1a\u0e38\u0e04\u0e04\u0e25\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e2b\u0e21\u0e27\u0e01\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e16\u0e38\u0e07\u0e21\u0e37\u0e2d 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\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e32\u0e22\u0e2d\u0e32\u0e01\u0e32\u0e28\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e22\u0e31\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e04\u0e27\u0e31\u0e19\u0e17\u0e35\u0e48\u0e2d\u0e32\u0e08\u0e40\u0e1b\u0e47\u0e19\u0e2d\u0e31\u0e19\u0e15\u0e23\u0e32\u0e22\u0e17\u0e35\u0e48\u0e40\u0e01\u0e34\u0e14\u0e02\u0e36\u0e49\u0e19\u0e43\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21<\/p>\n<p>\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a <a href=\"\/tag\/n80-casing\" target=\"_blank\"><strong>n80 <a href=\"\/tag\/casing\" target=\"_blank\"><strong>casing<\/strong><\/a><\/strong><\/a> 3 \u0e40\u0e1b\u0e47\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e0b\u0e31\u0e1a\u0e0b\u0e49\u0e2d\u0e19\u0e0b\u0e36\u0e48\u0e07\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e0a\u0e49\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e25\u0e36\u0e01\u0e0b\u0e36\u0e49\u0e07\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e35\u0e48\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e02\u0e49\u0e2d\u0e07 \u0e40\u0e17\u0e04\u0e19\u0e34\u0e04\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21 \u0e41\u0e25\u0e30 \u0e21\u0e32\u0e15\u0e23\u0e01\u0e32\u0e23\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e17\u0e35\u0e48\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19 \u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23\u0e01\u0e47\u0e15\u0e32\u0e21 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\u0e0b\u0e36\u0e48\u0e07\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e02\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e41\u0e01\u0e48\u0e23\u0e2d\u0e22\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e08\u0e19\u0e16\u0e36\u0e07\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e17\u0e35\u0e48\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e2b\u0e25\u0e31\u0e07\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e08\u0e36\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e22\u0e47\u0e19\u0e25\u0e07\u0e43\u0e19\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e17\u0e35\u0e48\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e44\u0e14\u0e49 \u0e0b\u0e36\u0e48\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e0a\u0e48\u0e27\u0e22\u0e1a\u0e23\u0e23\u0e40\u0e17\u0e32\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e43\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07 \u0e41\u0e25\u0e30\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27\u0e42\u0e14\u0e22\u0e23\u0e27\u0e21\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21<\/p>\n<p>\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e41\u0e21\u0e49\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a N80 Casing 3 \u0e08\u0e30\u0e15\u0e49\u0e2d\u0e07\u0e40\u0e1c\u0e0a\u0e34\u0e0d\u0e01\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e17\u0e49\u0e32\u0e17\u0e32\u0e22\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23 \u0e41\u0e15\u0e48\u0e2a\u0e34\u0e48\u0e07\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e44\u0e14\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e14\u0e49\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e39\u0e49\u0e41\u0e25\u0e30\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04\u0e17\u0e35\u0e48\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07 . \u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e47\u0e01 N80 \u0e41\u0e25\u0e30\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e17\u0e35\u0e48\u0e2d\u0e32\u0e08\u0e40\u0e01\u0e34\u0e14\u0e02\u0e36\u0e49\u0e19\u0e43\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e41\u0e25\u0e30\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e27\u0e34\u0e18\u0e35\u0e41\u0e01\u0e49\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e17\u0e35\u0e48\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e \u0e40\u0e0a\u0e48\u0e19 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e44\u0e2e\u0e42\u0e14\u0e23\u0e40\u0e08\u0e19\u0e15\u0e48\u0e33 \u0e01\u0e32\u0e23\u0e2d\u0e38\u0e48\u0e19\u0e01\u0e48\u0e2d\u0e19 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e2b\u0e25\u0e31\u0e07\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21 \u0e08\u0e36\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e44\u0e1b\u0e44\u0e14\u0e49\u0e17\u0e35\u0e48\u0e08\u0e30\u0e1a\u0e23\u0e23\u0e25\u0e38\u0e1c\u0e25\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e1b\u0e23\u0e30\u0e2a\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08 \u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e1b\u0e25\u0e2d\u0e01 N80 3 \u0e40\u0e0a\u0e48\u0e19\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e43\u0e14\u0e46 \u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e04\u0e37\u0e2d\u0e15\u0e49\u0e2d\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e15\u0e32\u0e21\u0e2b\u0e25\u0e31\u0e01\u0e40\u0e01\u0e13\u0e11\u0e4c\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14 \u0e41\u0e25\u0e30\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e41\u0e19\u0e48\u0e43\u0e08\u0e27\u0e48\u0e32\u0e1a\u0e38\u0e04\u0e25\u0e32\u0e01\u0e23\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e17\u0e38\u0e01\u0e04\u0e19\u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1d\u0e36\u0e01\u0e2d\u0e1a\u0e23\u0e21\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e41\u0e25\u0e30\u0e21\u0e35\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e17\u0e33\u0e2d\u0e22\u0e39\u0e48<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/www.petroleumtube.com\/wp-content\/uploads\/2021\/12\/N80-API-5CT-Casing17.jpg\" alt=\"alt-7813\" class=\"wp-image-7813\" id=\"i7813\" \/><br \/>\nOne of the <a href=\"\/tag\/primary\" target=\"_blank\"><strong>primary<\/strong><\/a> <a href=\"\/tag\/challenges\" target=\"_blank\"><strong>challenges<\/strong><\/a> in <a href=\"\/tag\/welding\" target=\"_blank\"><strong><a href=\"\/tag\/weld\" target=\"_blank\"><strong>weld<\/strong><\/a>ing<\/strong><\/a> to N80 Casing 3 is the <a href=\"\/tag\/high\" target=\"_blank\"><strong>high<\/strong><\/a> <a href=\"\/tag\/carbon\" target=\"_blank\"><strong>carbon<\/strong><\/a> content of the <a href=\"\/tag\/steel\" target=\"_blank\"><strong>steel<\/strong><\/a>. This high carbon content can <a href=\"\/tag\/lead\" target=\"_blank\"><strong>lead<\/strong><\/a> to the formation of hard and brittle zones in the <a href=\"\/tag\/heat\" target=\"_blank\"><strong>heat<\/strong><\/a>&#8211;<a href=\"\/tag\/affect\" target=\"_blank\"><strong>affect<\/strong><\/a>ed area of the weld, w<a href=\"\/tag\/hic\" target=\"_blank\"><strong>hic<\/strong><\/a>h can com<a href=\"\/tag\/promise\" target=\"_blank\"><strong>promise<\/strong><\/a> the integrity of the weld and lead to <a href=\"\/tag\/fail\" target=\"_blank\"><strong>fail<\/strong><\/a>ure. Additionally, the high carbon content can also lead to the formation of carbides, which can further increase the <a href=\"\/tag\/hardness\" target=\"_blank\"><strong>hardness<\/strong><\/a> and brittleness of the weld.<\/p>\n<p>Another challenge is the potential for <a href=\"\/tag\/hydrogen\" target=\"_blank\"><strong>hydrogen<\/strong><\/a>-induced cracking. This occurs when hydrogen atoms diffuse <a href=\"\/tag\/into\" target=\"_blank\"><strong>into<\/strong><\/a> the steel du<a href=\"\/tag\/ring\" target=\"_blank\"><strong>ring<\/strong><\/a> the welding <a href=\"\/tag\/process\" target=\"_blank\"><strong>process<\/strong><\/a> and then combine to form hydrogen molecules, creating <a href=\"\/tag\/pressure\" target=\"_blank\"><strong>pressure<\/strong><\/a> <a href=\"\/tag\/with\" target=\"_blank\"><strong>with<\/strong><\/a>in the steel that can lead to cracking. This is <a href=\"\/tag\/particular\" target=\"_blank\"><strong>particular<\/strong><\/a>ly problematic in high-<a href=\"\/tag\/strength\" target=\"_blank\"><strong>strength<\/strong><\/a> steels like N80, which are more susceptible to this <a href=\"\/tag\/type\" target=\"_blank\"><strong>type<\/strong><\/a> of cracking.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"oil tube Chinese high-grade wholesaler,casing pipe China good company,casing pipe Wholesale-Price\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/m9wjn-873vg?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>Despite <a href=\"\/tag\/these\" target=\"_blank\"><strong>these<\/strong><\/a> challenges, there are <a href=\"\/tag\/solutions\" target=\"_blank\"><strong>solutions<\/strong><\/a> that can help to mitigate these issues and <a href=\"\/tag\/ensure\" target=\"_blank\"><strong>ensure<\/strong><\/a> a successful weld. One such solution is the use of <a href=\"\/tag\/low\" target=\"_blank\"><strong>low<\/strong><\/a>-hydrogen welding processes and consumables. These can help to reduce the amount of hydrogen that is introduced into the steel during the welding process, thereby reducing the <a href=\"\/tag\/risk\" target=\"_blank\"><strong>risk<\/strong><\/a> of hydrogen-induced cracking.<br \/>\n<a href=\"\/tag\/casing-oil-field-term\" target=\"_blank\"><strong>casing <a href=\"\/tag\/oil\" target=\"_blank\"><strong>oil<\/strong><\/a> <a href=\"\/tag\/field\" target=\"_blank\"><strong>field<\/strong><\/a> term<\/strong><\/a><br \/>\nPreheating the steel before welding is another <a href=\"\/tag\/effective\" target=\"_blank\"><strong>effective<\/strong><\/a> solution. This can help to slow the cooling rate of the weld, which can reduce the formation of hard and brittle zones and carbides. The <a href=\"\/tag\/specific\" target=\"_blank\"><strong>specific<\/strong><\/a> preheat <a href=\"\/tag\/temperature\" target=\"_blank\"><strong>tem<a href=\"\/tag\/per\" target=\"_blank\"><strong>per<\/strong><\/a>ature<\/strong><\/a> will depend on a number of <a href=\"\/tag\/factors\" target=\"_blank\"><strong>factors<\/strong><\/a>, including the thickness of the steel and the specific welding process being <a href=\"\/tag\/used\" target=\"_blank\"><strong>used<\/strong><\/a>.<\/p>\n<p>Post-weld heat <a href=\"\/tag\/treatment\" target=\"_blank\"><strong>treatment<\/strong><\/a> is another <a href=\"\/tag\/important\" target=\"_blank\"><strong><a href=\"\/tag\/import\" target=\"_blank\"><strong>import<\/strong><\/a>ant<\/strong><\/a> step that can help to <a href=\"\/tag\/improve\" target=\"_blank\"><strong>improve<\/strong><\/a> the <a href=\"\/tag\/quality\" target=\"_blank\"><strong>quality<\/strong><\/a> of the weld. This involves heating the weld to a specific temperature after welding, and then cooling it at a <a href=\"\/tag\/control\" target=\"_blank\"><strong>control<\/strong><\/a>led rate. This can help to relieve stresses in the weld, reduce hardness, and improve the overall <a href=\"\/tag\/toughness\" target=\"_blank\"><strong>toughness<\/strong><\/a> of the weld.<\/p>\n<p>In conclusion, while welding to N80 Casing 3 presents a number of challenges, these can be effectively managed with the <a href=\"\/tag\/right\" target=\"_blank\"><strong>right<\/strong><\/a> <a href=\"\/tag\/knowledge\" target=\"_blank\"><strong>knowledge<\/strong><\/a> and <a href=\"\/tag\/techniques\" target=\"_blank\"><strong>techniques<\/strong><\/a>. By <a href=\"\/tag\/understanding\" target=\"_blank\"><strong>under<a href=\"\/tag\/stand\" target=\"_blank\"><strong>stand<\/strong><\/a>ing<\/strong><\/a> the <a href=\"\/tag\/proper\" target=\"_blank\"><strong>proper<\/strong><\/a>ties of N80 steel and the potential issues that can a<a href=\"\/tag\/rise\" target=\"_blank\"><strong>rise<\/strong><\/a> during the welding process, and by implementing effective solutions such as low-hydrogen welding processes, preheating, and post-weld heat treatment, it is possible to achieve a successful weld that maintains the strength and <a href=\"\/tag\/durability\" target=\"_blank\"><strong>dur<a href=\"\/tag\/ability\" target=\"_blank\"><strong>ability<\/strong><\/a><\/strong><\/a> of the N80 Casing 3. As with any welding operation, it is important to follow all <a href=\"\/tag\/safety\" target=\"_blank\"><strong>safety<\/strong><\/a> <a href=\"\/tag\/guide\" target=\"_blank\"><strong>guide<\/strong><\/a><a href=\"\/tag\/line\" target=\"_blank\"><strong>line<\/strong><\/a>s and to ensure that all welding personnel are <a href=\"\/tag\/properly\" target=\"_blank\"><strong>properly<\/strong><\/a> trained and qualified for the task at hand.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e01\u0e32\u0e23\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e21\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01 <a href=\"\/tag\/n80\" target=\"_blank\"><strong><strong> N80<\/strong><\/strong><\/a> 3 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\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e19\u0e35\u0e49\u0e21\u0e31\u0e01\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e42\u0e14\u0e22\u0e17\u0e35\u0e48\u0e17\u0e48\u0e2d\u0e1b\u0e25\u0e2d\u0e01\u0e40\u0e01\u0e23\u0e14 N80 \u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30 \u0e17\u0e48\u0e2d\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e17\u0e33\u0e08\u0e32\u0e01\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e17\u0e35\u0e48\u0e02\u0e36\u0e49\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07 \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 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