ASTM WK46017

    Revision of B391 - 09e1 Standard Specification for Niobium and Niobium Alloy Ingots

    (What is a Work Item?)

    Active Standard: B391 - 09e1

    Developed by Subcommittee: B10.03 | Committee B10 | Contact Staff Manager


    1. Rationale

    Five year review plus revision to 13.1 Certification


    niobium; niobium alloy ingots; Ingots; Niobium and niobium alloys--specifications; UNS R04200 (Nb (Cb), unalloyed, reactor grade); UNS R04210 (Nb (Cb), unalloyed, commercial grade); UNS R04251 (Nb (Cb)-Zr, reactor grade); UNS R04261 (Nb (Cb)-Zr, commercial grade);
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    David Frey

    Draft Under Development