We can offer steel pipe overseas standard and domestic standard. I.e. ASTM, DIN, JIS, API STD. The range of spiral welded steel pipe is ND: 200-2400, W.T: 6mm-18mm. The range of butt weld steel pipe is OD: 48mm-377mm W.T: 3mm-16mm; OD: 406mm-1240mm W.T:...
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