ASTM B934-04

    Standard Test Method for Effective Case Depth of Ferrous Powder Metallurgy (P/M) Parts Using Microindentation Hardness Measurements


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    1. Scope

    1.1 This test method covers a procedure for determination of the effective case depth of powder metallurgy (P/M) parts.

    1.2 A microindentation hardness traverse procedure is described to determine effective case depth. This test method may be used to determine the effective case depth for all types of hardened cases.

    1.3 The procedure for determining the microindentation hardness of powder metallurgy materials, as described in Test Method B 933 shall be followed.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    B243 Terminology of Powder Metallurgy

    B933 Test Method for Microindentation Hardness of Powder Metallurgy (PM) Materials

    E384 Test Method for Knoop and Vickers Hardness of Materials

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


    ICS Code

    ICS Number Code 77.160 (Powder metallurgy)

    UNSPSC Code

    UNSPSC Code 31133700(Powdered metals and metal alloys)


    Referencing This Standard

    DOI: 10.1520/B0934-04

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    Citation Format

    ASTM B934-04, Standard Test Method for Effective Case Depth of Ferrous Powder Metallurgy (P/M) Parts Using Microindentation Hardness Measurements, ASTM International, West Conshohocken, PA, 2004, www.astm.org

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