Standard Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials
NORMA vydaná dňa 1.11.2021
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Designation standards: ASTM B476-21
Publication date standards: 1.11.2021
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This specification covers general requirements common to wrought precious metal electrical contact alloy products in the form of sheet, strip, wire, and rod. The raw material shall be of such quality and purity that the finished product shall have the properties and characteristics prescribed in the applicable product specification. The product shall be produced by a combination of hot or cold working operations, it shall be finished, unless otherwise specified, by cold working, annealing, or heat treatment as may be necessary to meet the specified properties. Surfaces of all material furnished to this specification shall be smooth, clean, and free from scratches, stains, rough spots, slivers, laps, scale, pits, and any other injurious defects. Test methods such as chemical analysis and physical tests shall be performed accordingly.
Keywords:
contacts, electrical contact materials, wrought precious metal,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)