NF EN ISO 23279
Non-destructive testing of welds - Ultrasonic testing - Characterization of indications in welds
Le présent document définit un schéma décisionnel (procédure cascade) destiné à effectuer par ultrasons la classification conventionnelle des indications internes de soudure en indication volumique ou en indication non volumique.
Le présent document ajoute l'annexe ZA relative aux Directives UE 97/23/CE et 87/404/CEE, et modifie les articles et les paragraphes suivants : introduction, 3.1, 3.3-1, 3.4, 3.6, 3.7 et annexe A.
ISO 23279:2017 specifies how to characterize indications from discontinuities by classifying them as originating from planar or non-planar embedded discontinuities. This procedure is also suitable for indications from discontinuities that break the surface after removal of the weld reinforcement.
The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.
The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.
With Requirements, quickly access the main part of the normative text!

- With a single click, add a new language, the Requirements or Redline+ service and add one or more additional users.
- Whether you are in the process of acquiring a standard or it is already available in your personal space, the UPSELL service is available at every stage to help you understand it and implement it within your organization.
COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.
Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!
Request your free, no-obligation live demo
I discover COBAZ