NF EN 1712-1997 标准详情
- 标准号:NF EN 1712-1997
- 中文标题:熔焊非破坏性检验--焊接接头的放射性检验--验收等级
- 英文标题:Non destructive examination of welds. Ultrasonic examination of welded joints. Acceptance levels.
- 标准类别:法国国家标准
- 发布日期:1997-11-01
Defines ultrasonic acceptance levels, 2 and 3, for full penetration welded joints in ferritic steels, corresponding to the quality levels B and C of EN 25817 respectively. Different acceptance levels can be used if agreed by contracting parties.
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