BS 970-5-1972 规范的大钢坯，钢坯，棒材和锻件，碳钢和合金弹簧钢的形式锻造钢热成型弹簧的制造
BS 970-5-1972 标准详情
- 标准号：BS 970-5-1972
- 中文标题：规范的大钢坯，钢坯，棒材和锻件，碳钢和合金弹簧钢的形式锻造钢热成型弹簧的制造
- 英文标题：specification for wrought steels in the form of blooms, billets, bars and forgings. carbon and alloy spring steels for the manufacture of hot formed springs
- 标准类别：英国标准
- 发布日期：
内容简介
General requirements- information to be supplied by the purchaser, product analysis and permitted variations, frequency of tests etc. En steels replaced. Specific requirements for spring steels supplied to close limits of chemical composition; compos
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