ERW Steel Pipe 　(Electric Resistance Welded Pipes), EFW 1. Size: OD: 6-610mm / WT: ...

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Process: Electric Resistance Welded Steel Pipe Standard: API 5L, API 5CT, ASTM 53, E...

ERW Steel Pipe (Electric Resistance Welded Pipes), EFW 1. Size: OD: 10.3-610m...