Product Name:welded steel pipes
Standards : GB/T3091-2008,GB/T13793-2008,GB/T9711.1-1997,API 5L,API 5CT , ASTM A53, ASTM A36
Material:   Q195, Q215, Q235, 20#, Q345, A53, A36
Specifications: ERW steel pipe’s specification is ∮17-∮610; double submerged arc welded pipe’s specification is ∮325-∮1200; butt-welded steel pipe’s specification is 457-∮2500;thickness:1.2-60
We are specialized in providing various high-quality welded steel pipes, if you are interested in any of our welded steel pipes series, please feel free to contact us.