ASTM WK44613

    Work Item: ASTM WK44613 - Revision of F2730 / F2730M - 13 Standard Specification for Silicon Nitride Cylindrical Bearing Rollers

    (What is a Work Item?)

    Active Standard: F2730 / F2730M - 14

    Developed by Subcommittee: F34.01 | Committee F34 | Contact Staff Manager



    1. Rationale

    Definitions Added definitions for color variation , scratches, and raw material lot. Revised ceramic second phase, material lot, and metallic phase to be same as F2094. Revised snowflake definition to be the same as the one added to F2094. Added discussion to material lot definition. Starting Powder Composition Same as was done for F2094 Inspection and Verification Changed faults to origins like with F2094. Moved a couple of indications to what I think are more appropriate categories. Added scratches to the list under Processing origin.


    Keywords

    bearing rollers; ceramic; roller bearings; silicon nitride; Si3N4;
    Citing ASTM Standards
    Back to Top
    Work Item Status

    Date Initiated:
    01-09-2014

    Technical Contact:
    William Mandler

    Item:
    002

    Ballot:
    F34 (14-01)

    Status:
    Ballot Item Approved as F2730/F2730M-2014 and Pending Publication