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NPE (Mechanical)
1 Aug 08 11:38
... Could somebody explain difference between A182 F316  and A403 WPS316 SS.

Thanks advance...
Helpful Member!  metengr (Materials)
1 Aug 08 12:23
ASTM A403/A403M-04 Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

ASTM A182/A182M-02 Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service


The F indicates a forged product while WP is for a wrought (which could be seamless or welded).

You should purchase both specifications and review them carefully.

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