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ISO 4761:2022

Non-destructive testing of welds — Phased array ultrasonic testing (UT-PA) for thin-walled steel components — Acceptance levels

General information
Valid from 17.01.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
17.01.2022
Main
This document specifies acceptance levels for the phased array ultrasonic testing technique (UT-PA) of full-penetration welds in low-alloy and/or fine-grained steels in the wall thickness range from 3,2 mm to 8 mm which correspond to the quality levels of ISO 5817. These acceptance levels are applicable to indications detected according to ISO 20601.
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