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ASTM B742-90(2012)
- Standard Specification for Fine Silver Electrical Contact Fabricated Material
- standard by ASTM International, 05/01/2012
- Publisher: ASTM
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1.1 This specification covers fine silver grade 99.9 % in fabricated form. The forms covered are tubing, rod, wire, strip, and sheet for electrical contact applications.
1.2 The electrical contact properties may vary dependent upon the method of manufacture (refer to 6.3).
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.