ASTM B476-21

Detail information

Designation: ASTM B476-21

Publication date: 01/11/2021

Pages: 4

Country: American technical standard

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Anotation

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)