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Non-destructive testing of welds — Radiographic testing — Part 2: X- and gamma-ray techniques with digital detectors
| 분야 | ISO/TC 44/SC 5 : Testing and inspection of welds |
|---|---|
| 적용범위 | This document specifies techniques of digital radiography with the object of enabling satisfactory and repeatable results. The techniques are based on generally recognized practice and fundamental theory of the subject. This document applies to the digital radiographic testing of fusion welded joints in metallic materials. It applies to the joints of plates and pipes. Besides its conventional meaning, “pipe”, as used in this document, covers other cylindrical bodies such as tubes, penstocks, boiler drums and pressure vessels. This document specifies the requirements for digital radiographic X- and gamma-ray testing by either computed radiography (CR) or radiography with digital detector arrays (DDAs) of the welded joints of metallic plates and tubes for the detection of imperfections. It includes manual and automated inspection with DDAs. Digital detectors provide a digital grey value image which can be viewed and evaluated using a computer (Annex E). This document specifies the recommended procedure for detector selection and radiographic practice. Selection of computer, software, monitor, printer and viewing conditions are important, but are not the main focus of this document. The procedure specified in this document provides the minimum requirements for radiographic practice which permits exposure and acquisition of digital radiographs with equivalent sensitivity for the detection of imperfections as film radiography (specified in ISO 17636-1). This document does not specify acceptance levels for any of the indications found on the digital radiographs. ISO 10675 provides information on acceptance levels for weld inspection. If contracting parties apply lower test criteria, it is possible that the quality achieved will be significantly lower than when this document is strictly applied. |
| 국제분류(ICS)코드 | 25.160.40 : 용접이음 |
| 페이지수 | 64 |
| Edition | 2 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 17636-2:2022 | Non-destructive testing of welds — Radiographic testing — Part 2: X- and gamma-ray techniques with digital detectors | 2022-09-01 | 표준 |
| 2 | ISO 17636-2:2013 | Non-destructive testing of welds — Radiographic testing — Part 2: X- and gamma-ray techniques with digital detectors | 2013-01-08 | 구판 |
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