ASTM B427-1993A 标准详情
- 标准号:ASTM B427-1993A
- 中文标题:齿轮用青铜合金铸件
- 英文标题:standard specification for gear bronze alloy castings withdrawn 2002
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1993
1.1 This specification establishes requirements for alloys whose copper alloy numbers and nominal compositions are shown in Table 1. The castings may be furnished as one of three types: static chill, centrifugal chill, or sand cast. 1.2 The values
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