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Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and assessment
| 분야 | ISO/TC 44/SC 5 : Testing and inspection of welds |
|---|---|
| 적용범위 | This document specifies techniques for the manual ultrasonic testing of fusion-welded joints in metallic materials of thickness ≥8 mm which exhibit low ultrasonic attenuation (especially that due to scatter) at object temperatures from 0 °C to 60 °C. It is primarily intended for use on full penetration welded joints where both the welded and parent material are ferritic. Where material-dependent ultrasonic values are specified in this document, they are based on steels having an ultrasonic sound velocity of (5 920 ± 50) m/s for longitudinal waves and (3 255 ± 30) m/s for transverse waves. This document specifies four testing levels, each corresponding to a different probability of detection of imperfections. Guidance on the selection of testing levels A, B, and C is given in Annex A. This document specifies that the requirements of testing level D, which is intended for special applications, be in accordance with general requirements. Testing level D can only be used when defined by specification. This includes tests of metals other than ferritic steel, tests on partial penetration welds, tests with automated equipment, and tests at object temperatures outside the range 0 °C to 60 °C. This document can be used for the assessment of discontinuities, for acceptance purposes, by either of the following techniques: a) evaluation based primarily on length and echo amplitude of the discontinuity; b) evaluation based on characterization and sizing of the discontinuity by probe movement techniques. |
| 국제분류(ICS)코드 | 25.160.40 : 용접이음 |
| 페이지수 | 30 |
| Edition | 4 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 17640:2018 | Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and assessment | 2018-10-18 | 표준 |
| 2 | ISO 17640:2017 | Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and assessment | 2017-10-12 | 구판 |
| 3 | ISO 17640:2010 | Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and assessment | 2010-12-09 | 구판 |
| 4 | ISO 17640:2005 | Non-destructive testing of welds — Ultrasonic testing of welded joints | 2005-07-18 | 구판 |
관련상품이 존재하지 않습니다.
ISO 11666:2018 - Non-destructive testing of welds — Ultrasonic testing — Acceptance levels 상세보기
ISO 23279:2017 - Non-destructive testing of welds — Ultrasonic testing — Characterization of discontinuities in welds 상세보기
ISO 5817:2014 - Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections 상세보기
ISO 23278:2015 - Non-destructive testing of welds — Magnetic particle testing — Acceptance levels 상세보기
ISO 17577:2016 - Steel — Ultrasonic testing of steel flat products of thickness equal to or greater than 6 mm 상세보기
IEC TS 63134:2020 - Active assisted living (AAL) use cases 상세보기
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