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ISO/DIS 15626

Non-destructive testing of welds — Time-of-flight diffraction technique (TOFD) — Acceptance levels

General information

40.00     Oct 20, 2026

ISO

ISO/TC 44/SC 5

International Standard

25.160.40  

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 15626:2018

NOW

PROJECT
ISO/DIS 15626
40.00 DIS registered
Oct 20, 2026

National adoptions

prSRPS EN ISO 15626:2024  
ISS

Non-destructive testing of welds — Time-of-flight diffraction technique (TOFD) — Acceptance levels

10.99   New project approved

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