Standards

ASTM B780-98


Historical Standard: ASTM B780-98 Standard Specification for 75% Silver, 24.5% Copper, 0.5% Nickel Electrical Contact Alloy


SUPERSEDED (see Active link, below)


more info 2 pages $ 43.20

Active(view current version of standard) ASTM License Agreement
Other Historical Standards

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.


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/B0780-98

ASTM International is a member of CrossRef.


Citing ASTM Standards

[Back to Top]

Standards Tracker

Standards Subscriptions