ASTM International - ASTM B780-98
Standard Specification for 75% Silver, 24.5% Copper, 0.5% Nickel Electrical Contact Alloy
|Publication Date:||23 September 1999|
|ICS Code (Other non-ferrous metals and their alloys):||77.120.99|
1.1 This specification covers an electrical contact material with the nominal composition of 75% silver, 24.5% copper, and 0.5% nickel in the form of rod, wire, strip, and sheet.