ASTM WK70535

    Revision of B983 - 16e1 Standard Specification for Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube

    (What is a Work Item?)

    Active Standard: B983 - 21

    Developed by Subcommittee: B02.07 | Committee B02 | Contact Staff Manager



    WK70535


    Keywords

    seamless cold worked pipe; seamless cold worked tube; seamless precipitation hardened pipe; seamless precipitation hardened tube; UNS N07022; UNS N07725; UNS N07740; UNS N09945; UNS N09925; UNS N07718; UNS N10276; UNS N06985;;

    Rationale

    Change to heat treating instructions in Table 2 for alloy N07740. Minimum time requirement is removed to reflect fact that product be produced in a variety of product forms. Thin wall seamless (and welded) tube will only require seconds to minutes to continuously anneal, and do not require 30 minute minimum hold times. Results of heat treat trials attached.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    11-08-2019

    Technical Contact:
    William MacDonald

    Status:
    Approved