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.
EN ISO 15626:2018 history
2018EN ISO 15626:2018 Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels (ISO 15626:2018)
2013EN ISO 15626:2013 Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels