ASTM B780-98(2004)
Historical Standard: ASTM B780-98(2004) Standard Specification for 75% Silver, 24.5% Copper, 0.5% Nickel Electrical Contact Alloy
SUPERSEDED (see Active link, below)
ASTM B780
1. Scope
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.
This standard does not purport to address all 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.
ASTM Standards
B476 Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials
Keywords
arcing contacts; contacts; conductivity; electrical contacts; precious metals; silver alloy; silver-copper alloy; wire; Chemical analysis--electrical contacts; Copper electrical conductors--specifications; Electrical contact materials--specifications; Electrical contact materials (silver-nickel); Mechanical properties; Nickel alloy electrical heating elements; Nickel electrical/electronic applications--specifications; Silver-copper-nickel electrical contact alloy; Silver (electrical/electronic applications)--specifications; Tolerances--metals/alloys;
ICS Code
ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
DOI: 10.1520/B0780-98R04
ASTM International is a member of CrossRef.
