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 31.15

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.

Best Sellers

GSO 150-2:2013
 
Gulf Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013 
Omani Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
OS GSO 9:2022
GSO 9:2022 
Omani Standard
Labeling of prepackaged food stuffs
GSO 9:2022
 
Gulf Technical Regulation
Labeling of prepackaged food stuffs

Recently Published

ISO 21366:2026
 
International Standard
Traditional Chinese medicine — General requirements for smokeless moxibustion devices
ISO 20525:2026
 
International Standard
Tourism and related services — Semantics applied to tourism destinations
ISO 21028-1:2026
 
International Standard
Cryogenic vessels — Toughness requirements for materials at cryogenic temperature — Part 1: Temperatures below ‒80 °C
ISO 25245:2026
 
International Standard
Peel strength of metallic coatings on plastics — Designation and test method under controlled temperatures