ASTM WK63420

    Revision of A182 / A182M - 18 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

    (What is a Work Item?)

    Active Standard: A182 / A182M - 21

    Developed by Subcommittee: A01.22 | Committee A01 | Contact Staff Manager



    austenitic stainless steel; chromium alloy steel; chromium-molybdenum steel; ferritic/austenitic stainless steel; ferritic stainless steel; martensitic stainless steel; nickel alloy steel; notch toughness requirements; pipe fittings; piping applications; pressure containing parts; stainless steel fittings; stainless steel forgings; steel; steel flanges; steel forgings, alloy; steel valves; temperature service applications, elevated; temperature service applications, high; wrought material ;;


    The Nippon Steel and Sumitomo Metals Corporation (NSSMC has developed a new stainless steel grade 317AP that provides improved corrosion resistance to polythionic acid corrosion and naphthenic acid corrosion in refinery service. The NSSMC has prepared supporting information for incorporating this grade in specification A 182. A user has requested that the new NSSMC grade, called 317AP, is considered for inclusion in A182 and other related stainless steel specifications.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Elmar Upitis


    A01 (21-02)

    Ballot Item Approved as A182/A182M-2021 and Pending Publication