Active standard | Published: 01/04/2023

ASTM B664-18(2023)

Standard Specification for 80 % Silver-20 % Graphite Sliding Contact Material

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Detail information

Designation: ASTM B664-18(2023)

Publication date: 01/04/2023

Pages: 2

Country: American technical standard

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Anotation

This specification defines the criteria for composition and other requirements for sliding contact materials or brushes with a nominal composition by weight of 20% silver and 80% graphite. Materials shall adhere to specified requirements for chemical composition, density, shear strength, and microstructure. They shall also conform to typical values of Rockwell superficial hardness and specific resistance.

Keywords:
electrical contacts, graphite, silver, sliding contacts,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

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