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Welded Steel Pipe: ERW Steel Pipe, HFI, EFW Specification: Outer Diameter:6mm-610mm...
A252 LSAW piling pipe LSAW (Longitudinal Submerge-arc Welded) UO(UOE),RB(RBE),JC...
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Petroleum casing is an important equipment for oil drilling. The thread surface of oi...
Hebei Metals supplies API 5L Seamless Pipes. API 5L material specification inclu...
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