ASTM D2596-10

    Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method)


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    1. Scope

    1.1 This test method covers the determination of the load-carrying properties of lubricating greases. Two determinations are made:

    1.1.1 Load-Wear Index (formerly called Mean-Hertz Load), and

    1.1.2 Weld Point, by means of the Four-Ball Extreme-Pressure (EP) Tester.

    1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

    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.

    American National Standard

    B3.12 Metal Balls


    ICS Code

    ICS Number Code 75.100 (Lubricants, industrial oils and related products)

    UNSPSC Code

    UNSPSC Code 15121902(Grease)


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D2596-10

    Citation Format

    ASTM D2596-10, Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method), ASTM International, West Conshohocken, PA, 2010, www.astm.org

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