ASTM B 216 火法精炼工业纯铜标准规范.精炼型材
日期:2012-02-08 10:01
or up to date.
Significance and Use
Calculated values shall be rounded to the nearest unit in the last right-hand significant digit used in expressing the limiting value in accordance with the rounding method in Practice E29.
1. Scope
1.1 This specification establishes the requirements for tough-pitch fire-refined copper wire bars, cakes, slabs, and billets for fabricating into wrought products and ingot and ingot bars for use in the manufacture of copper and copper alloy castings. This copper
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08/29 23:14