ASTM A833-08

    Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers


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    1. Scope

    1.1 This practice covers the determination of indentation hardness of metallic materials using comparison hardness testers.

    1.2 This practice applies only to those comparison hardness testers, normally portable, that use comparative test bars that have been standardized according to Test Method E 10 as a basis for comparison.

    1.3 Calibration of comparative test bars (rods), used for comparison to determine hardness numbers, is also covered by this practice.

    1.4 The impression force used during comparison hardness testing is normally an impact load applied by striking a hammer on the appropriate areas as outlined in the manufacturer's instructions.

    1.5 This standard does not purport to address all of the safety problems, 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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    E10 Test Method for Brinell Hardness of Metallic Materials


    ICS Code

    ICS Number Code 77.040.10 (Mechanical testing of metals)

    UNSPSC Code

    UNSPSC Code 41114611(Hardness testers)


    Referencing This Standard

    DOI: 10.1520/A0833-08

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A833-08, Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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