ASTM B742-90(2000)

    Standard Specification for Fine Silver Electrical Contact Fabricated Material

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    1. Scope

    1.1 This specification covers fine silver grade 99.9% in fabricated form. The forms covered are tubing, rod, wire, strip, and sheet for electrical contact applications.

    1.2 The electrical contact properties may vary dependent upon the method of manufacture (refer to 6.3).

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

    1.4 The values stated in inch-pound units are to be regarded as the standard. The SI units may be approximate.


    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

    B413 Specification for Refined Silver

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


    ICS Code

    ICS Number Code 77.150.10 (Aluminium products)

    UNSPSC Code

    UNSPSC Code 39121522(Electrical contacts)


    DOI: 10.1520/B0742-90R00

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