QJ 500A-1998 in English
VALIDTechnical Specifications for Carbon Steel or Alloy Structural Steel Forgings
- Issued on:1998-08-05
- Implemented on:1999-02-05
- File Format:PDF
- Delivery:Via email within 1~3 business days
Price(USD):
$240.00
$233.00
$233.00
本规范规定了碳素钢、合金结构钢锻件的分类、要求和质量保证规定。
本规范适用于航天产品用碳素钢、合金结构钢制造的自由锻件、模锻件和轧制件。
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