21/30415535 DC

This standard 21/30415535 DC BS EN ISO 4761. Non-destructive testing of welds. Phased array ultrasonic testing (PAUT) for thin-walled steel components. Acceptance levels is classified in these ICS categories:

• 25.160.40 Welded joints and welds

This document specifies acceptance levels for the phased array ultrasonic testing technique (PAUT) 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 in accordance with ISO 20601.