ISO 4761:2022
International Standard
Current Edition
·
Approved on
17 January 2022
Non-destructive testing of welds — Phased array ultrasonic testing (UT-PA) for thin-walled steel components — Acceptance levels
ISO 4761:2022 Files
English
8 Pages
Current Edition
OMR
31.71
ISO 4761:2022 Scope
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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