Active standard | Published: 01/02/2026

ASTM B663/B663M-26

Standard Specification for Silver-Tungsten Carbide Electrical Contact Material

Available languages: English

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Detail information

Designation: ASTM B663/B663M-26

Publication date: 01/02/2026

Pages: 5

Country: American technical standard

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Anotation

This specification covers electrical contact components made from silver-tungsten carbide by powder metallurgical procedures. This specification covers compositions within the silver-tungsten carbide system. The material shall conform to composition limits. Chemical analysis shall be performed to deteremine material conformance to specified composition requirements. The contact components shall agree on qualification tests for determination of physical properties. The tests shall be performed on production parts wherever practical or applicable. The test shall be determined after consideration of the function of the part.

Keywords:
arcing contacts, contacts, electrical contacts, powder metallurgy, silver, silver tungsten carbide, tungsten carbide, tungsten carbide silver,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

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