ISO 4997-1999 标准详情
- 标准号:ISO 4997-1999
- 中文标题:冷轧结构件用薄钢板
- 英文标题:cold-reduced steel sheet of structural quality
- 标准类别:国际标准化组织标准ISO
- 发布日期:1999-03-01
1 This International Standard applies to cold-reduced steel sheet of structural quality in grades CR220, CR250, CR320 and CH550 in the classes given in table 1, usually without the use of microalloying elements. The product is intended for structura
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