... Product Description 1) Type: Carbon weld steel pipe of SSAW, LASW and ERW. 2) Material of weld steel pipe: Q195, Q215, Q235, Q345, ... GB/T3081, GB/T9711, API 5L, API 5CT 4) Pipe end: A) Threaded and coupling B) Plain end C) ... welded stab can be removed 5) Dimension of the pipe: A)Outside diameter: From OD20mm to OD273.1MM B ... : From 0.8mm to 12mm C)Length of each pipe: 5.8m, 6m, 11.8m or 12m, or ...