# ISO 16826:2012 — Withdrawn and superseded ISO standards

For ISO 16826:2012, item title is Non-destructive testing — Ultrasonic testing — Examination for discontinuities perpendicular to the surface; status code is 9599; successor is ISO 16826:2025; withdrawn / published date is 2012-03-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO 16826:2012 _(verified: appears in the quote below)_
- **Item title:** Non-destructive testing — Ultrasonic testing — Examination for discontinuities perpendicular to the surface _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16826:2025
- **Withdrawn / published date:** 2012-03-23 _(verified: appears in the quote below)_

## What the source says

> 57784,IS,,ISO 16826:2012,Non-destructive testing — Ultrasonic testing — Examination for discontinuities perpendicular to the surface,Essais non destructifs — Contrôle par ultrasons — Contrôle des discontinuités perpendiculaires à la surface,2012-03-23,1,['19.100'],ISO/TC 135/SC 3,9599,,[86366],"['en','fr']",14,"<p>ISO 16826:2012 defines the principles for tandem‑ and longitudinal-longitudinal-transverse (LLT) wave‑examination for the detection of discontinuities perpendicular to the surface.</p><p>The general principles required for the ultrasonic examination of industrial products are described in ISO 16810. A list of symbols and equations is given in ISO 16811.</p><p>The tandem‑ or LLT‑exa

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).