... pipeTechnicshot-rolledStandardGB/T8162,8163,17396,API Spec 5CT, 5L and equivalent standardsDIN1626, DIN1629/3, 4, DIN17175, ASTMOuter Diameter5"-10"wall thickness8 ... , A333-1,6, 27SiMn, 42CrMo4, 41Cr4,x42, x52, x60, St42, St45, St52(Chinese Grades: 20#, 45#, Q345B, 27SiMn,40Cr, 35CrMo and ...