Diameter 15mm-6000mm Pressure 150-2500PN0.6-PN4005K-40KAPI 2000-15000 Length 1/2NB to 48NB Type Flat welded flange, with neck flange mild carbon spiral welded steel pipe

spiral welded pipe specifications american spiral welded pipe used large diameter steel pipe spiral welded pipe manufacturers american spiral weld steel pipe spiral welding process spiral steel pipe manufacturer spiral weld pipe mill The Spiral WeldedWelding is a leading private steel production enterprise in China.The company has passed ISO9001 quality management system certification and

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