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ISO 20601:2018
Non-destructive testing of welds — Ultrasonic testing — Use of automated phased array technology for thin-walled steel components- 발행일 : 2018-12-05
- 발행기관 : ISO
상세정보
| 분야 | ISO/TC 44/SC 5 : Testing and inspection of welds |
|---|---|
| 적용범위 | This document specifies the application of phased array technology for the semi- or fully automated ultrasonic testing of fusion-welded joints in steel parts with thickness values between 3,2 mm and 8,0 mm. This meets the typical range of tube wall thickness values in boilers, which is an important application of this testing technology. The minimum and maximum value of the wall thickness range can be exceeded, when testing level "D" of this document is applied. This document applies to full penetration welded joints of simple geometry in plates, tubes, pipes, and vessels, where both the weld and parent material are low-alloy and/or fine grained steel. NOTE "Semi-automated testing" encompasses a controlled movement of one or more probes on the surface of a component along a fixture (guidance strip, ruler, etc.), whereby the probe position is unambiguously measured with a position sensor. The probe is moved manually. "Fully automated testing" includes mechanized propulsion in addition. Where material-dependent ultrasonic parameters are specified in this document, they are based on steels having a sound velocity of (5 920 ± 50) m/s for longitudinal waves, and (3 255 ± 30) m/s for transverse waves. It is necessary to take this fact into account when testing materials with a different velocity. This document provides guidance on the specific capabilities and limitations of phased array technology for the detection, location, sizing and characterization of discontinuities in fusion-welded joints. Ultrasonic phased array technology can be used as a stand-alone technique or in combination with other non-destructive testing (NDT) methods or techniques, during manufacturing and testing of new welds/repair welds (pre-service testing). This document specifies two testing levels: — level "C" for standard situations; — level "D" for different situations/special applications. This document describes assessment of discontinuities for acceptance purposes based on: — height and length; — amplitude (equivalent reflector size) and length; — go/no-go decision. This document does not include acceptance levels for discontinuities. |
| 국제분류(ICS)코드 | 25.160.40 : 용접이음 |
| 페이지수 | 18 |
| Edition | 1 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 20601:2018상세보기 | Non-destructive testing of welds — Ultrasonic testing — Use of automated phased array technology for thin-walled steel components | 2018-12-05 | 표준 |
관련상품
- 관련상품이 존재하지 않습니다.
다른 사람이 함께 구입한 상품
- ISO 4761:2022 - Non-destructive testing of welds — Phased array ultrasonic testing (UT-PA) for thin-walled steel components — Acceptance levels
- ASTM E2700-20 - Standard Practice for Contact Ultrasonic Testing of Welds Using Phased Arrays
- ASTM E2491-13(2018) - Standard Guide for Evaluating Performance Characteristics of Phased-Array Ultrasonic Testing Instruments and Systems
- ASTM E543-21 - Standard Specification for Agencies Performing Nondestructive Testing
- ISO 18563-2:2017 - Non-destructive testing — Characterization and verification of ultrasonic phased array equipment — Part 2: Probes
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