ASTM A521/A521M-2006 标准详情
- 标准号:ASTM A521/A521M-2006
- 中文标题:一般工业用闭式压模钢锻件的标准规范
- 英文标题:Standard Specification for Steel, Closed-Impression Die Forgings for General Industrial Use
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2006
1.1 This specification covers untreated and heat-treated steel, closed-impression die forgings (Note 1) for general industrial use. Note 18212;For the definition of a forging, refer General Requirements Specification A 788/A 788M. 1.2 The Grades of f
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