ASTM B684-97

    Standard Specification for Platinum-Iridium Electrical Contact Materials


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    1. Scope

    1.1 This specification covers an 85% platinum-15% iridium alloy in the form of rod, wire, strip, and sheet material for electrical contacts.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.

    1.3 This standard does not purport to address all of the safety problems, 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.

    1.4 It is the responsibility of the user to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer.


    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

    B277 Test Method for Hardness of Electrical Contact Materials

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

    E8 Test Methods for Tension Testing of Metallic Materials

    E384 Test Method for Knoop and Vickers Hardness of Materials


    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/B0684-97

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM B684-97, Standard Specification for Platinum-Iridium Electrical Contact Materials, ASTM International, West Conshohocken, PA, 1999, www.astm.org

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