BS EN ISO 20601:2018 Non-destructive testing of welds. Ultrasonic testing. Use of automated phased array technology for thin-walled steel components

BS EN ISO 20601:2018

Non-destructive testing of welds. Ultrasonic testing. Use of automated phased array technology for thin-walled steel components

Status : Current   Published : January 2019

Format
PDF

Format
HARDCOPY



What is this standard about?

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.

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.




Standard NumberBS EN ISO 20601:2018
TitleNon-destructive testing of welds. Ultrasonic testing. Use of automated phased array technology for thin-walled steel components
StatusCurrent
Publication Date04 January 2019
Normative References(Required to achieve compliance to this standard)ISO 18563-2, ISO 9712, ISO 17640, ISO 18563-3, ISO 5577, ISO 18563-1, EN 16018
Informative References(Provided for Information)ISO 23279, ISO 13588, ISO 10863, ISO 17636-1, EN 12817, ISO 3183, ISO 16810, ISO 10893-11, ISO/TS 16829, ISO 10893-8, ISO/TR 15608, ISO 17635, ISO 5817, ISO 16811
International RelationshipsEN ISO 20601:2018,ISO 20601:2018
DescriptorsComponents, Steels, Ultrasonic testing, Welds, Non-destructive testing
ICS25.160.40
Title in FrenchEssai non destructif des assemblages soudés. Contrôle par ultrasons. Utilisation de la technique multi- éléments automatisés pour les composants en acier à paroi mince
Title in GermanZerstörungsfreie Prüfung von Schweißverbindungen. Ultraschallprüfung. Verwendung von automatisierter phasengesteuerter Array-Technologie für dünnwandige Bauteile aus Stahl
CommitteeWEE/46
ISBN978 0 580 98781 6
PublisherBSI
FormatA4
DeliveryYes
Pages28
File Size838 KB
Price£182.00


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