ASTM B742-90(2006)

    Historical Standard: ASTM B742-90(2006) Standard Specification for Fine Silver Electrical Contact Fabricated Material

    SUPERSEDED (see Active link, below)


    Buy Standard (PDF)
    3 pages
    $44.40

    Active (view current version of standard)


    ASTM B742

    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 ).

    1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for infomraiton only and are not considered standard.

    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 become familiar with all hazards, including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.


    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/B0742-90R06

    ASTM International is a member of CrossRef.


    Citing ASTM Standards
    Back to Top