Active standard | Published: 01/11/2021

ASTM B631-93(2021)

Standard Specification for Silver-Tungsten Electrical Contact Materials

Available languages: English

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Detail information

Designation: ASTM B631-93(2021)

Publication date: 01/11/2021

Pages: 4

Country: American technical standard

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Anotation

This specification covers electrical contact components made from silver-tungsten by powder-metallurgical procedures. The material shall conform to composition limits specified. The material shall be finished by braze alloy backing, tumbling to polish surfaces, special surface finish, silver-rich surface layer, cleaning, etc. Chemical analysis and physical test shall be made to conform to the specified requirements.

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

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