ASTM B742-1990(2012) 标准详情
- 标准号:ASTM B742-1990(2012)
- 中文标题:电接触用已加工优质银材料标准规格
- 英文标题:Standard Specification for Fine Silver Electrical Contact Fabricated Material
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1990
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
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