Norm

NEN-EN-ISO 17636-2:2010 Ontw. en

Niet-destructief onderzoek van lassen - Radiografisch onderzoek - Deel 2: Röntgen- en gammastralingstechnieken met digitale detectoren

  • Deze norm is ingetrokken sinds 24-01-2013

44,69

Over deze norm

Status Ingetrokken
Aantal pagina's 56
Gepubliceerd op 01-11-2010
Taal Engels
This European Standard specifies fundamental techniques of digital radiography with the object of enabling satisfactory and repeatable results to be obtained economically. The techniques are based on generally recognized practice and fundamental theory of the subject. This standard applies to the digital radiographic examination of fusion welded joints in metallic materials. It applies to the joints of plates or pipes. Besides its conventional meaning, "pipe" as used in this standard should be understood to cover other cylindrical bodies such as tubes, penstocks, boiler drums and pressure vessels. This standard complies with EN 14784-2. This Part of ISO 17636 specifies the requirements for digital radiographic X- and gamma ray testing by either computed radiography (CR) or radiography with digital detector arrays (DDA), of the welded joints of metallic tubes for the detection of imperfections. Digital detectors provide a digital grey value image which can be viewed and evaluated on basis of a computer only. This practice describes the recommended procedure for detector selection and radiographic practice. Selection of computer, software, monitor, printer and viewing conditions are important but not in the main focus of this standard. The procedure specified in this standard, provides the minimum requirements and practice which permits to expose and acquire digital radiographs with equivalent sensitivity for detection of imperfections as film radiography and as specified in Part 1 of this standard. This standard does not specify acceptance levels of the indications. If contracting parties apply lower test criteria, the quality achieved may be significantly lower than when this standard is strictly applied.

Details

ICS-code 25.160.40
Nederlandse titel Niet-destructief onderzoek van lassen - Radiografisch onderzoek - Deel 2: Röntgen- en gammastralingstechnieken met digitale detectoren
Engelse titel Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detectors
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