GB/T 36232-2018 in English
VALIDNon-destructive testing of welds—Test method on electron-beam welded joints by industrial computed tomography(CT)
- Issued on:2018-05-14
- Implemented on:2018-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 36232-2018焊缝无损检测 电子束焊接接头工业计算机层析成像（CT）检测方法》由TC55（全国焊接标准化技术委员会）归口，TC55SC3（全国焊接标准化技术委员会焊缝试验和检验分会）执行，主管部门为国家标准化管理委员会。
Introduction
1. Background and significance of the standard
GB/T 36232—2018 was developed based on many years of practical experience in electron beam weld industrial CT detection, and is mainly used in aviation, aerospace, weapons, automobiles, machinery and other fields. This standard provides an important basis for ensuring the quality and reliability of electron beam welded parts.
2. Comparison of standard frameworks
| Dimensions | GB/T 36232—2018 | Comparison with international standards |
|---|---|---|
| Scope | Applicable to qualitative, quantitative and positioning detection of internal defects in electron beam welded joints. | Consistent with international standards (such as ISO 17638). |
| Terms and definitions | Quote terms from domestic standards such as GB/T 3375 and GB/T 34365. | Keep in line with international non-destructive testing terms. |
| Testing system requirements | Details the composition and performance indicators of industrial CT systems, such as spatial resolution, contrast resolution, etc. | Higher than the requirements for equipment performance in some international standards. |
3. Recommendations for the implementation of the standard
Case analysis: Application example of an aerospace enterprise
When a certain aerospace enterprise adopted the GB/T 36232-2018 standard, it first conducted professional training for the inspection personnel and purchased industrial CT equipment that met the system performance requirements. By introducing the preparation of comparative samples and the preparation of inspection process cards, the inspection efficiency and accuracy were significantly improved.
Recommendations for implementation steps:
- Staff training: Ensure that all inspection personnel are familiar with the content of the standard and obtain the corresponding qualifications.
- Equipment selection: Select an industrial CT system with appropriate performance according to actual needs, paying special attention to key indicators such as spatial resolution and contrast resolution.
- Process optimization: Develop inspection process cards based on the actual situation of the enterprise, and regularly verify the stability of the inspection system.
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