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1.1 This specification covers 75 % gold-22 % silver-3 % nickel alloy tubing, rod, wire, strip, and sheet material for sliding electrical contacts.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet 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.
B476 Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials
E384 Test Method for Knoop and Vickers Hardness of Materials
ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
ASTM B477-97(2002), Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy, ASTM International, West Conshohocken, PA, 1997, www.astm.orgBack to Top