ASTM B331-10

    Standard Test Method for Compressibility of Metal Powders in Uniaxial Compaction


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    1. Scope

    1.1 This laboratory test method covers the determination of the compressibility of metal powders and metal powder mixtures as measured by the extent to which a sample can be densified under controlled conditions in a specified die.

    1.2 With the exception of density values, for which the g/cm3 unit is the industry standard, the values stated in inch-pound units are to be regarded as the standard. The values shown in parenthesis are mathematical conversions to SI units that are presented for information only and are not to be considered as standard.

    1.3 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

    B215 Practices for Sampling Metal Powders

    B243 Terminology of Powder Metallurgy

    B925 Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens

    B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes Principle

    E456 Terminology Relating to Quality and Statistics


    ICS Code

    ICS Number Code 77.160 (Powder metallurgy)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
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    DOI: 10.1520/B0331-10

    Citation Format

    ASTM B331-10, Standard Test Method for Compressibility of Metal Powders in Uniaxial Compaction, ASTM International, West Conshohocken, PA, 2010, www.astm.org

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