BS EN ISO 15611:2024
Specification and qualification of welding procedures for metallic materials. Qualification based on previous welding experience

Standard No.

BS EN ISO 15611:2024

Release Date

2024

Published By

British Standards Institution (BSI)  GB  /  BSI

Latest

BS EN ISO 15611:2024

Introduction

Key changes to the standard

Comparison dimensions	2003 edition	2024 edition
Referenced standards	ISO 15607:2003	Updated to ISO 15607:2019
Key clauses	8 clauses	Delete original Chapter 8 and integrate it into Chapters 5-7
Scope of qualification	General description	Explicitly reference ISO 15614 series and other special standards

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Core requirements for historical experience certification

According to Chapter 6 of the standard, an effective historical welding experience certificate must meet the following requirements at the same time:

• Documented inspection data: Including complete records of non-destructive testing, destructive testing, pressure testing, etc.
• Manufacturing cycle certificate: At least 1 year of welding production summary report
• Service performance certificate: More than 5 years of trouble-free service record (except for special working conditions)

Application Case: Pressure Vessel Welding Certification

A manufacturer uses submerged arc welding equipment to produce pressure vessels. According to this standard:

1. Collate the radiographic inspection reports and blasting test data of similar products for the past 7 years
2. Welding parameter records of 3 typical batches were extracted as the basis for pWPS
3. WPQR certification was obtained after review by WEE/36 Technical Committee

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Qualification Scope Definition Specification

Chapter 7 clearly states that the qualification scope of different welding methods should refer to:

Welding process	Reference standard	Typical coverage
Fusion welding	ISO 15614 series	Base material thickness ±25%, welding position, etc.
Arc stud welding	ISO 14555	Diameter change ≤±3mm
Friction stir welding	ISO 25239-4	Aluminum alloy thickness ±1.5mm

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Implementation suggestions

Document system construction

It is recommended that enterprises establish a three-level document management system:

1. Basic archive layer: original test report, process parameter record
2. Analysis report layer: Annual welding quality trend analysis
3. Certification document layer: WPQR organized in the format of this standard

Transitional response

For enterprises that have passed the 2003 version certification:

• Complete the standard conversion before July 2024
• Focus on supplementing service performance data (if applicable)
• Update referenced standards to the latest version

BS EN ISO 15611:2024 Referenced Document

• ISO 14555 Welding - Arc stud welding of metallic materials*， 2025-07-01 Update
• ISO 15607 Specification and qualification of welding procedures for metallic materials — General rules
• ISO 15620 Welding — Friction welding of metallic materials
• ISO 18785-4 Friction stir spot welding — Aluminium — Part 4: Specification and qualification of welding procedures
• ISO 25239-4 Friction stir welding — Aluminium — Part 4: Specification and qualification of welding procedures

BS EN ISO 15611:2024 history

• 2024 BS EN ISO 15611:2024 Specification and qualification of welding procedures for metallic materials. Qualification based on previous welding experience
• 0000 BS EN ISO 15611:2003(2009)
• 2003 BS EN ISO 15611:2003 Specification and qualification of welding procedures for metallic materials - Qualification based on previous welding experience

Standard and Specification