ASTM B702-93(2004)

    Historical Standard: ASTM B702-93(2004) Standard Specification for Copper-Tungsten Electrical Contact Material

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    ASTM B702

    1. Scope

    1.1 This specification covers electrical contact components made from copper tungsten by powder metallurgical procedures.

    1.2 This specification covers compositions within the copper tungsten system normally specified by users of contacts.

    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

    B328 Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 31133702(Electrical contact powdered metal and metal alloy)


    DOI: 10.1520/B0702-93R04

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