How to make the weld steel pipe? The welded pipe has the steel pipe joint, which uses the steel belt or steel plate through the bending deformation into round, square, etc shapes. Then welded it into shaping. It has formed, bent, and welded. There are various types of welded pipe. Here show two types of welded pipe. Spiral Steel Pipe, and Straight Seam Welded Pipe.
Straight Seam Welded Pipe also called LSAW Pipe, EFW pipe, ERW pipe, HFW Pipe
Spiral Steel Pipe called SSAW Pipe, SAWH Pipe
