ASTM B477-21 PDF

Scope: 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 Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM B477-21 Referenced Document

ASTM B476 Standard Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials
ASTM E384 Standard Test Method for Microindentation Hardness of Materials

2021 ASTM B477-21 Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy
1997 ASTM B477-97(2017) Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy
1997 ASTM B477-97(2012) Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy
1997 ASTM B477-97(2008) Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy
1997 ASTM B477-97(2002) Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy
1999 ASTM B477-97 Standard Specification for Gold-Silver-Nickel Electrical Contact Alloy