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ASTM B631-93(2021)

Standard Specification for Silver-Tungsten Electrical Contact Materials

STANDARD published on 1.11.2021

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The information about the standard:

Designation standards: ASTM B631-93(2021)
Publication date standards: 1.11.2021
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM B631-93(2021) :

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)