ASTM B624-99

    Standard Specification for High-Strength, High-Conductivity Copper-Alloy Wire for Electronic Application

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    1. Scope

    1.1 This specification covers high-strength, high-conductivity round copper-alloy wire 0.0031 to 0.0720 in. (0.079 to

    1.829 mm) in diameter, used for electronic hookup wire. The tensile strength of the wire is 60 ksi (414 MPa) minimum and the electrical conductivity at 20°C is 85% IACS minimum.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


    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

    B193 Test Method for Resistivity of Electrical Conductor Materials

    E8 Test Methods for Tension Testing of Metallic Materials


    ICS Code

    ICS Number Code 29.060.10 (Wires)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0624-99

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