Standard Specification for Silver-Tungsten Electrical Contact Materials
NORM herausgegeben am 1.11.2021
Bezeichnung normen: ASTM B631-93(2021)
Ausgabedatum normen: 1.11.2021
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
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)