Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility.
Among them, according to different uses and different subsequent production processes, (it can be roughly divided into scaffold pipe, fluid pipe, wire sleeve, bracket pipe, guardrail pipe, etc.). .
(1)Generally, the welded steel pipe has high precision, uniform wall thickness.
(2) High brightness of surface inside and outside the pipe (th...