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
30.31 OMR

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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