Seamless Steel Pipe, Alloy Pipe, Boiler Pipe, Straight Welded Pipe, Spiral Welded Pipe, Square Pipe Black
material or Hot galvanizing)etc. Straight Arc Welded Pipe(Processing range cabiler:350mm-1200mm,
thickness:8mm-100mm
无缝管合金管锅炉管直缝焊管螺旋焊管方管（黑材或热镀锌）等；直缝埋弧焊管(加工范围口径：
350mm-1200mm 厚度：8mm-100mm）。