overview of astm a106/a53/A333 4130 Sch40 BS3602 seamless steel Tube/ Pipe

ASTM a106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe is a widely used material in the construction of oil and gas pipelines. This article provides an overview of this type of steel tube/pipe, including its composition, manufacturing process, and applications. ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe is made from carbon and alloy steel. Carbon steel is a popular choice for its high strength and durability, while alloy steel offers enhanced corrosion resistance and heat resistance. The combination of these two materials makes ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe suitable for use in demanding environments, such as oil and gas pipelines. The manufacturing process of ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe involves hot rolling or cold drawing. Hot rolling is a process in which the steel is heated above its recrystallization temperature and then passed through a series of rollers to achieve the desired shape and size. Cold drawing, on the other hand, involves pulling the steel through a die to reduce its diameter and increase its Length. Both processes result in a seamless tube/pipe with a smooth surface finish. casing pipe china good Factory,Oil Tube wholesale–Price high-quality good chinese,casing pipe Chinese high-quality factory, ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe is commonly used in oil and gas pipeline construction due to its excellent mechanical properties. It has high tensile strength, which allows it to withstand the high pressure and stress that pipelines are subjected to. Additionally, it has good ductility, which means it can be easily bent and welded without compromising its integrity.

The Sch40 designation refers to the wall thickness of the tube/pipe. Sch40 is a standard thickness for seamless steel tubes/pipes and is suitable for most oil and gas pipeline applications. It provides a balance between strength and cost, making it a popular choice among pipeline constructors. BS3602 is a British standard that specifies the requirements for seamless and welded steel tubes/pipes for pressure purposes. ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe complies with this standard, ensuring its quality and reliability. It undergoes rigorous testing and inspection to ensure it meets the specified requirements for chemical composition, mechanical properties, and dimensional accuracy. The applications of ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe extend beyond oil and gas pipelines. It is also used in various industries, such as power generation, petrochemical, and construction. Its versatility and durability make it suitable for a wide range of applications where high strength and resistance to corrosion are required.

Tensile and hardness Requirements
grade			yield Strength MPa		Tensile Strength	Hardness a,c		Specified Wall Thickness	Allowable Hardness Variation b
	Type	Total Elongation Under Load			min MPa	max
			min	max		HRC	HBW	mm	HRC
1	2	3	4	5	6	7	8	9	10
H40	—	0.5	276	552	414	—	—	—	—
J55	—	0.5	379	552	517	—	—	—	—
K55	—	0.5	379	552	655	—	—	—	—
N80	1	0.5	552	758	689	—	—	—	—
N80	Q	0.5	552	758	689	—	—	—	—
R95	—	0.5	655	758	724	—	—	—	—
L80 L80	1	0.5	552	655	655	23	241	—	—
L80	9Cr 13Cr	0.5	552	655	655	23	241	—	—
		0.5	552	655	655	23	241	—	—
C90	1	0.5	621	724	689	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
T95	1	0.5	655	758	724	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
C110	—	0.7	758	828	793	30	286	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
P110	—	0.6	758	965	862	—	—	—	—
Q125	1	0.65	862	1034	931	b	—	£12.70	3
								12.71 to 19.04 19.05	4
									5
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.

In conclusion, ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe is a popular choice for oil and gas pipeline construction. Its composition of carbon and alloy steel, along with its manufacturing process of hot rolling or cold drawing, results in a seamless tube/pipe with excellent mechanical properties. The Sch40 designation and compliance with the BS3602 standard further enhance its suitability for pipeline applications. With its high strength, ductility, and resistance to corrosion, ASTM A106/A53/A333 4130 Sch40 BS3602 seamless steel tube/pipe is a reliable and cost-effective choice for various industries.