ASTM B520-2012 标准详情
- 标准号:ASTM B520-2012
- 中文标题:电气用镀锡包铜钢丝标准规格
- 英文标题:standard specification for tin-coated, copper-clad steel wire for electronic application
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2012-10-15
1.1 THIS SPECIFICATION COVERS TIN-COATED COPPER-CLAD STEEL WIRE FOR ELECTRONIC APPLICATION. 1.2 FOUR CLASSES OF TIN-COATED COPPER-CLAD STEEL WIRE ARE COVERED AS FOLLOWS: 1.2.1 CLASS T30HS—NOMINAL 30 % CONDUCTIVITY, HARDDRAWN, 1.2.2 CLASS T30A—NOMI
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