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ASTM B477-97(2008)

Historical Reaffirmation

Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy

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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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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 (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.

This specification covers gold-silver-nickel alloy tubing, rod, wire, strip, and sheet material for sliding electrical contacts. Raw materials shall be of such quality and purity that the finished product will have the properties and characteristics prescribed in this specification. The material shall be finished by cold working, heat treating, annealing, turning, grinding, or pickling as are required to produce the prescribed properties. Material produced shall meet the chemical composition requirements. Mechanical properties such as tensile strength, elongation, Knoop hardness, microhardness, as well as the electrical contact shall conform to the prescribed specification.


SDO ASTM: ASTM International
Document Number B477
Publication Date May 1, 2008
Language en - English
Page Count 3
Revision Level 97(2008)
Supercedes
Committee B02.05
Publish Date Document Id Type View
Nov. 1, 2021 B0477-21 Revision
Sept. 23, 1999 B0477-97 Revision
April 1, 2017 B0477-97R17 Reaffirmation
Nov. 1, 2012 B0477-97R12 Reaffirmation
May 1, 2008 B0477-97R08 Reaffirmation
Dec. 10, 1997 B0477-97R02 Reaffirmation