ASTM B780-98

    Standard Specification for 75% Silver, 24.5% Copper, 0.5% Nickel Electrical Contact Alloy

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    1. Scope

    1.1 This specification covers an electrical contact material with the nominal composition of 75% silver, 24.5% copper, and 0.5% nickel in the form of rod, wire, strip, and sheet.


    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

    B476 Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials


    ICS Code

    ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

    UNSPSC Code

    UNSPSC Code 11101711(Non ferrous alloy)


    DOI: 10.1520/B0780-98

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