Large Diameter Thick-walled Longitudinal Welded Steel Pipe 

1. API 5L PSL1/2, 
2. IPS-M-PI-190(2), 
3. NACE MR-0175.

Large Diameter Thick-walled Longitudinal Welded Steel Pipe   211

 Design and manufacture many kinds of special steel pipe and tube accoring your request, such as seamless carbon steel pipe and tube, JCOE technology Large Diameter, Thick Wall Steel Pipes and Tubes, ERW/LSAW welded carbon steel pipes and tubes, length less than 14 meters, thickness less than 2 inch etc. 

Longitudinal Pipe,Longitudinal steel Pipe

 Standard:

According to API 5L Gr.B standard.

GB/TB163, GB/T8162, GB/T3087, GB/T17396;

DIN28180, DIN2448, DIN17175, DIN2460;

JIS G3444, G3445, G3454, G3456, G3461;

ASTM A106, A53, A179, A192, A252, A500;

API 5L Gr.B spec 1/2.

 Material:

According to NACE MR 0175 standard.

Q345, ST35.8, ST37, ST42, ST52, A53, A106, A179, API5L/GR.B-X42, X46, X52, X56, X60. X65. X70. X80.

 Weld standard:

According to IPS-M-PI-190(2) standard.

ISO3183-3, API Spec 5L PSL2, ISO3183, GB/T9711, DNV OS-F101, GB/T3091-2001, GB/T9711.1-1997, GB/T13793-92,GB/T6728-2002.

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