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ASTM A671 Welded Steel Pipe Supplier

Description

Welded steel pipe is a type of pipe that is manufactured by joining together two or more steel pieces through a welding process. It is commonly used in various industries and applications for the transportation of fluids, gases, and solids. The manufacturing process involves heating the edges of the steel pieces to their melting point and then applying pressure to fuse them together. This creates a strong and durable joint that forms a continuous pipe. Welded steel pipes come in different sizes, thicknesses, and grades to meet specific requirements and are known for their strength, reliability, and cost-effectiveness. They are widely used in infrastructure projects, construction, oil and gas pipelines, plumbing systems, and many other applications.

Welded Steel Pipe Supplier

Chemical Composition of A671 Pipes

Steel gradeC maxSiMnPS
A450.17/0.980.0350.035
A500.22/
CA55/A550.28/
B550.200.13~0.45
CB60/B600.24
CB65/B650.28
CB70/C700.311.30
C550.180.55-0.98
CC60/C600.21
CC65/C650.240.79-1.30
CC70/C700.27

ASTM A671, Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures. Grades shall designate the type of plate used while class shall designate the type of heat treatment performed during pipe manufacture. Class shall be designated as to whether the weld is radiographically examined, and as to whether the pipe is pressure tested.

Plain Carbon steel grades:CA 55, CB 60,CB 65,CB 70 CC 60,CC 65,CC 70

Nickel steel grades: CF 65,CF 70,CF 65,CF 70

Alloy steel grades:CJA 115, CJB 115,CJE 115,CJF 115,CJH 115,CJP 115

O.D:18″-56″(457.2-1422mm)

W.T:0.312″-2″(7.92-50.8mm)

Unit Length:5-12.3 meter

Application:It is mainly used for oil and gas transportation pipelines.

Plain Carbon steel grades:CA 55, CB 60,CB 65,CB 70 CC 60,CC 65,CC 70
Nickel steel grades: CF 65,CF 70,CF 65,CF 70
Alloy steel grades:CJA 115, CJB 115,CJE 115,CJF 115,CJH 115,CJP 115
Application:It is mainly used for oil and gas transportation pipelines.

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