NB/T 20003.4-2010 in English
SUPERSEDEDNon-destructive testing for mechanical components in nuclear island of nuclear power plants—Part 4:Penetrant testing
- Issued on:2010-05-01
- Implemented on:2010-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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NB/T 20003规定了核电厂核岛机械设备的无损检测方法、检测结果的质量分级和推荐级的验收标准。
NB/T 20003的本部分规定了核电厂核岛机械设备采用渗透检测的技术要求和验收标准。
本部分适用于核电厂核岛机械设备用材料、零部件以及焊接接头在制造和安装过程中的表面开口缺陷的检测。
Scope
NB/T 20003 specifies the non-destructive testing methods, quality classification of test results and recommended acceptance standards for nuclear is and mechanical equipment in nuclear power plants. This part of NB/T 20003 specifies the technical requirements and acceptance criteria for penetrant testing of mechanical equipment on nuclear is ands in nuclear power plants. This section is applicable to the detection of surface opening defects in materials, components and welded joints used in nuclear is and mechanical equipment of nuclear power plants during the manufacturing and installation process.

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