ISO 15614-1 Specification and qualification of welding procedures – Welding procedure test – Part 1: Arc and gas welding of steels

Defines how a welding procedure is qualified by testing a test piece; the result is a WPQR that supports one or more WPS within its range of qualification.

CodeISO 15614-1Issued byISOFieldProcedure qualification

What it covers

Test pieces, examination and testing (visual, NDT, mechanical tests).
Range of qualification: material groups, thickness, process, position, heat input, consumables.

Key points for fabricators

A WPS must stay within the ranges of its supporting WPQR.
Other routes exist (pre-production tests, standard or previous experience) depending on the execution class.

How PEB Studio supports it

Each WPS keeps its supporting PQR, its revision and status; edits create a new revision instead of overwriting an approved one.

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

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Dove la applica PEB Studio

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Aggiornato il 01 Nov 2026

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