... certificate and the right to use the logo ERW steel pipe:1) Type: ERW2) Material: Q195, Q215, Q235, ... : ANSI,ASME, ASTM,JIS,DIN,GB4) Pipe end: A) Threaded and coupling B) Plain end C)Both inner ... or outer welded stab can be removed5) Dimension of the pipe ... of the leading manufactures of welded steel seamless pipe in China, which was founded in 2003. We ...