Aktívna norma | Vydaná: 01.04.2023

ASTM B692-18(2023)

Standard Specification for 75 % Silver-25 % Graphite Sliding Contact Material

Dostupné jazyky: Anglicky

Dostupné prevedenie: Online zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: ASTM B692-18(2023)

Dátum vydania: 01.04.2023

Stránok: 2

Krajina: Americká technická norma

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Anotácia

This specification defines the criteria for the chemical composition and other requirements (including physical properties, microstructure, superficial hardness, and specific resistance ) for silver-graphite brushes for sliding electrical contacts. The percentage of silver, graphite, ash in graphite, and total metal impurities are prescribed. The minimum acceptable values for the physical properties such as density, determined by measurement and weight method, and shear strength are given. Typical Rockwell hardness and specific resistance for the material are also specified.

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

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