# ISO 15626:2011 — Withdrawn and superseded ISO standards

For ISO 15626:2011, item title is Non-destructive testing of welds — Time-of-flight diffraction technique (TOFD) — Acceptance levels; status code is 9599; successor is ISO 15626:2018; withdrawn / published date is 2011-01-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 15626:2011 _(verified: appears in the quote below)_
- **Item title:** Non-destructive testing of welds — Time-of-flight diffraction technique (TOFD) — Acceptance levels _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 15626:2018
- **Withdrawn / published date:** 2011-01-20 _(verified: appears in the quote below)_

## What the source says

> 55468,IS,,ISO 15626:2011,Non-destructive testing of welds — Time-of-flight diffraction technique (TOFD) — Acceptance levels,Contrôle non destructif des assemblages soudés — Technique de diffraction des temps de vol (TOFD) — Niveaux d'acceptation,2011-01-20,1,['25.160.40'],ISO/TC 44/SC 5,9599,,[72746],"['en','fr','ru']",11,<p>ISO 15626:2011 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.</p><p>These acceptance levels are applicable to indications classified in accordance with ISO 10863.</p>

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).