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API Flange Gasket, Bolt & Torque Reference Chart
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API Flange | Industrial Steel Flanges & Pipe Fittings
Industrial steel flanges and pipe fittings to ASME, ANSI, AWWA, and DIN standards. Custom machining, full traceability, rapid turnaround. Request a quote today.
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ASTM A234 butt welding pipe fittings,ASME B16.5 F316 weld neck flange,API 5L PSL1 seamless pipes
Haihao Group manufacture butt welding pipe fittings,forged pipe fittings,seamless steel pipe and flanges products with carbon/stainless/alloy steel.