ISO 15612:2018

Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure specification

This document:

— specifies how a user can follow a standard welding procedure specification (SWPS) based on welding procedure qualification tests performed by a different organization;

— specifies the range for the use of SWPSs in accordance with ISO 15607;

— specifies the requirements for qualification of welding procedures to be issued as SWPSs; and

— specifies the requirements for organizations adopting SWPSs.

The use of this document can be restricted by an application standard or a specification.

This document is applicable to welding of steels and aluminium and its alloys (see 4.1).

All new standard welding procedure qualifications are to be carried out in accordance with this document from the date of its issue. However, this document does not invalidate previous standard welding procedure qualifications made to former standards, specifications or previous editions of this document

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

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!

The Redline + service - standards comparator allows you to easily and simply identify major changes between the current standard and its last canceled version.

At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula.


The Redlines + service is offered to you on the collection of French standards in force, in French language and in HTML and PDF format.

For an overview of the service, click on View a standard in redline format

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