Aktivní norma | Vydána: 01.04.2023

ASTM B664-18(2023)

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

Dostupné jazyky: Anglicky

Dostupné provedení: Online zabezpečené PDF, Tištěné

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Podrobné informace

Označení: ASTM B664-18(2023)

Datum vydání: 01.04.2023

Stran: 2

Země: Americká technická norma

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Anotace

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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