ASTM A522/A522M-11

    Standard Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low-Temperature Service

    SUPERSEDED (see Active link, below)


      Format Pages Price  
    PDF Version 4 $44.40   ADD TO CART


    1. Scope

    1.1 This specification covers 8 and 9 % nickel-alloy steel forged or rolled flanges, fittings, valves, and parts intended for use in welded pressure vessels for low-temperature service. The specification is applicable to forgings with maximum section thickness of 3 in. [75 mm] in the double normalized and tempered condition and 5 in. [125 mm] in the quenched and tempered condition. Forgings under this specification are intended for service at operating temperatures not lower than 320 °F [196 °C] for Type I or 275 °F [170 °C] for Type II or higher than 250 °F [121 °C].


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A788/A788M Specification for Steel Forgings, General Requirements

    A961/A961M Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications


    ICS Code

    ICS Number Code 23.040.40 (Metal fittings)

    UNSPSC Code

    UNSPSC Code 40141600(Valves); 40170000(Pipe piping and pipe fittings)


    DOI: 10.1520/A0522_A0522M-11

    ASTM International is a member of CrossRef.


    Citing ASTM Standards
    Back to Top