ISO 9606-1 Qualification testing of welders – Fusion welding – Part 1: Steels

Defines how welders are tested and certified for a process, product type, material group, consumable, thickness, diameter and welding position – and how the qualification stays valid.

CodeISO 9606-1Issued byISOFieldWelder qualification

What it covers

Test pieces, essential variables and their ranges of qualification.
Methods of prolongation of the certificate.

Key points for fabricators

The welding coordinator confirms every 6 months that the welder has been welding within the range of qualification – otherwise the qualification lapses.
A welder may only weld within the ranges on the certificate (process, position, thickness, material group).

How PEB Studio supports it

Welder qualifications record range, expiry and 6-month continuity; the welding report rejects welders whose qualification has expired, lapsed or does not cover the WPS.

This page is a summary for orientation. Always work from the edition of the standard named in the project specification.

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Mis à jour le 01 Nov 2026

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