BS EN ISO 15626:2018

Non-destructive testing of welds. Time-of-flight diffraction technique (TOFD). Acceptance levels. | Status: Current, Project Underway

1 Scope This document specifies acceptance levels for the time‑of‑flight diffraction technique (TOFD) of full penetration welds in ferritic steels from 6 mm up to 300 mm thickness which correspond to the quality levels of ISO 5817. These acceptance levels are applicable to indications classified in accordance with ISO 10863.