ASTM A938 - 07(2013)

    Standard Test Method for Torsion Testing of Wire

    Active Standard ASTM A938 | Developed by Subcommittee: A01.03

    Book of Standards Volume: 01.03


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    Significance and Use

    4.1 The complex stress and strain conditions that occur in the sample during the torsion test are sensitive to minor variations in materials, making the torsion test a useful tool in assessing wire ductility under torsional loading.

    1. Scope

    1.1 This test method describes the torsion (or twist) testing of metallic wire.

    1.2 The values stated in U.S. customary units are to be regarded as the standard. The SI equivalents of U.S. customary units may be approximate.

    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

    E6 Terminology Relating to Methods of Mechanical Testing


    ICS Code

    ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)

    UNSPSC Code

    UNSPSC Code 31152200(Non electric iron and steel wire)


    DOI: 10.1520/A0938-07R13

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