முக்கிய விவரங்கள்
பொருளின் முறை:快递
பொருள் விளக்கம்
Welded steel pipe refers to a steel pipe with seams on the surface that is welded after bending and deforming a steel strip or steel plate into a circular, square, etc. shape. The blank used for the welded steel pipe is a steel plate or strip steel. According to the shape of the weld, it can be divided into straight seam welded pipe and spiral welded pipe.