1.alloy or not:non-alloy
2. thickness:4-25MM
3.OD:219.1mm-2420m
4.length:8-12m
1) spiral steel pipe
2) OD: 219.1mm-2420mm
3) W.T:5-30mm
4) Length:3-20m
5) competitive price, best service and best quality
6) size: 219mm-2420mm(8'-95')
7) thickness:4mm-20mm
8) Length: 6m-12m or according customers' requirment
9) standard: GB, JIS, DIN, ASME, API 5L, API 5CT, ANSI
10)meterial: Q235AB, 16Mn Anti-corrosion:2PP/3PP,2PE/3PE
11) application: petroleum,chemical, power, metallurgy, gas, shipbuilding,and so on
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