Standard Svensk standard · SS-EN ISO 20601:2019

Oförstörande provning- Ultraljudsprovning- Användning av automatiserad phased array teknik för stålkomponenter med liten väggtjocklek (ISO 20601:2018)

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Standard Svensk standard · SS-EN ISO 20601:2019

Oförstörande provning- Ultraljudsprovning- Användning av automatiserad phased array teknik för stålkomponenter med liten väggtjocklek (ISO 20601:2018)
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Omfattning
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:
— heigh ...

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Standard Svensk standard · SS-EN ISO 20601:2019

Oförstörande provning- Ultraljudsprovning- Användning av automatiserad phased array teknik för stålkomponenter med liten väggtjocklek (ISO 20601:2018)
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standard ikon pdf

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Produktinformation

Språk: Engelska

Framtagen av: Oförstörande provning, SIS/TK 125

Internationell titel: Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for thin-walled steel components (ISO 20601:2018)

Artikelnummer: STD-80009270

Utgåva: 1

Fastställd: 2019-01-09

Antal sidor: 32