Straight seam steel pipe high - speed rail support

Straight seam steel pipe high-speed rail support is steel or steel after bending molding, and then made by welding. According to the weld is divided into the form of straight seam welded pipe and spiral welded pipe. The use is divided into general welded pipe, galvanized pipe, oxygen pipe, wire casing, metric pipe, roller tube, deep well pump tube, automotive tube, transformer tube, welding thin-walled tube, welded pipe and spiral welded pipe.