Submerged Arc Welding Ssaw Steel Pipe Project International X42 X52 Gr.B The direction of the crack and the weld line, and the axis of the steel pipe into a certain Angle, generally between 30-70.This Angle is ... Read More
En10219 Standard 40 Inch Diameter S355J0H LSAW Steel Pipe According to different forming methods, it can be divided into: UOE steel pipe: single sheet steel in the edge of pre-bending, after U forming, O ... Read More