galvanized welded pipe with plastic coating  镀锌涂塑双层卷焊管

high-frequency welded pipe with medium diameter  中直径高频焊管

welded pipe with thin wall  薄壁焊管

610 mm welded pipe  610ERW焊管

arc welded pipe  弧焊管

arc-welded pipe  弧焊管

austenitic stainless steel welded pipe  奥氏体不锈钢焊管

branch pipe welded directly to the run pipe  焊接支管

butt welded pipe  对接焊管; 对缝焊管; 平焊接管

butt-welded pipe  大口径直缝焊管; 碳化钛

conical spiral welded pipe  锥形螺旋焊管

Corrugated oval welded pipe  波浪形椭圆焊管

cracks on welded pipe  焊管开裂

develop direct seam welded pipe  发展直缝管

double-head turning tool welded with carbide tip  硬质合金双头车刀

duplex stainless steel welded pipe  双相不锈钢焊管

Edge forming process for the welded pipe blank  管坯边缘成型

Electric resistance welded pipe  ERW焊管

electric welded pipe  电焊钢管; 电焊管