ASTM A400-1969(2012) 标准详情
- 标准号:ASTM A400-1969(2012)
- 中文标题:钢棒的成分及机械性能选择指南的标准操作规程
- 英文标题:Standard Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1969
If the desired mechanical properties are as described in 4.1.1 for material identified as Classes P-1 through P-7, or in 4.1.2 for material identified as Classes Q-1 through Q-7, the strength level desired can be based on hardness or the equiva
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