Friction stir welding - Aluminium - Part 5: Quality and inspection requirements (ISO 25239-5:2020)

This document specifies a method for determining the capability of a manufacturer to use the friction stir welding (FSW) process for the production of products of the specified quality. It specifies quality requirements, but does not assign those requirements to any specific product group.
In this document, the term "aluminium" refers to aluminium and its alloys.
This document does not apply to friction stir spot welding which is covered by the ISO 18785 series.

Rührreibschweißen - Aluminium - Teil 5: Qualitäts- und Prüfungsanforderungen (ISO 25239-5:2020)

Dieses Dokument legt ein Verfahren fest, mit dem die Fähigkeit des Herstellers ermittelt werden kann, das Rührreibschweißen (FSW) zur Fertigung von Produkten mit festgelegter Qualität einzusetzen. Er legt spezi¬fische Qualitätsanforderungen fest, weist diese Anforderungen aber keiner spezifischen Produktgruppe zu.
Der Begriff „Aluminium“ bezieht sich in diesem Dokument auf Aluminium und seine Legierungen.
Dieses Dokument ist nicht für das Rührreibpunktschweißen anzuwenden, das in der Normenreihe ISO 18785 abgedeckt ist.

Soudage par friction-malaxage - Aluminium - Partie 5: Exigences de qualité et de contrôle (ISO 25239-5:2020)

Le présent document spécifie une méthode permettant de déterminer l'aptitude d'un fabricant à utiliser le procédé de soudage par friction-malaxage pour la fabrication de produits ayant la qualité spécifiée. Elle spécifie des exigences de qualité, mais n'assigne pas ces exigences à un groupe spécifique de produits.
Dans présent document, le terme « aluminium » se rapporte à l'aluminium et ses alliages.
Le présent document ne s'applique pas au soudage par points par friction-malaxage, qui est couvert par les normes de la série ISO 18785.

Varjenje z gnetenjem - Aluminij - 5. del: Zahteve za kakovost in kontrolo (ISO 25239-5:2020)

General Information

Status
Published
Technical Committee
Drafting Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
22-Jul-2020
Completion Date
22-Jul-2020

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SLOVENSKI STANDARD
SIST EN ISO 25239-5:2020
01-november-2020
Nadomešča:
SIST EN ISO 25239-5:2012
Varjenje z gnetenjem - Aluminij - 5. del: Zahteve za kakovost in kontrolo (ISO
25239-5:2020)

Friction stir welding - Aluminium - Part 5: Quality and inspection requirements (ISO

25239-5:2020)

Rührreibschweißen - Aluminium - Teil 5: Qualitäts- und Prüfungsanforderungen (ISO

25239-5:2020)
Soudage par friction-malaxage - Aluminium - Partie 5: Exigences de qualité et de
contrôle (ISO 25239-5:2020)
Ta slovenski standard je istoveten z: EN ISO 25239-5:2020
ICS:
03.120.99 Drugi standardi v zvezi s Other standards related to
kakovostjo quality
25.160.10 Varilni postopki in varjenje Welding processes
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
SIST EN ISO 25239-5:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 25239-5:2020
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SIST EN ISO 25239-5:2020
EN ISO 25239-5
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2020
EUROPÄISCHE NORM
ICS 25.160.10 Supersedes EN ISO 25239-5:2011
English Version
Friction stir welding - Aluminium - Part 5: Quality and
inspection requirements (ISO 25239-5:2020)

Soudage par friction-malaxage - Aluminium - Partie 5: Rührreibschweißen - Aluminium - Teil 5: Qualitäts-

Exigences de qualité et de contrôle (ISO 25239-5:2020) und Prüfungsanforderungen (ISO 25239-5:2020)

This European Standard was approved by CEN on 12 July 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 25239-5:2020 E

worldwide for CEN national Members.
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SIST EN ISO 25239-5:2020
EN ISO 25239-5:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 25239-5:2020
EN ISO 25239-5:2020 (E)
European foreword

This document (EN ISO 25239-5:2020) has been prepared by Technical Committee ISO/TC IIW

"International Institute of Welding" in collaboration with Technical Committee CEN/TC 121 “Welding

and allied processes” the secretariat of which is held by DIN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by January 2021, and conflicting national standards shall

be withdrawn at the latest by January 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 25239-5:2011.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 25239-5:2020 has been approved by CEN as EN ISO 25239-5:2020 without any

modification.
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SIST EN ISO 25239-5:2020
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SIST EN ISO 25239-5:2020
INTERNATIONAL ISO
STANDARD 25239-5
Second edition
2020-06
Friction stir welding — Aluminium —
Part 5:
Quality and inspection requirements
Soudage par friction-malaxage — Aluminium —
Partie 5: Exigences de qualité et de contrôle
Reference number
ISO 25239-5:2020(E)
ISO 2020
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SIST EN ISO 25239-5:2020
ISO 25239-5:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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SIST EN ISO 25239-5:2020
ISO 25239-5:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Quality requirements ...................................................................................................................................................................................... 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Welding personnel ............................................................................................................................................................................... 2

4.2.1 General...................................................................................................................................................................................... 2

4.2.2 Welding operator ............................................................................................................................................................. 2

4.3 Inspection and testing personnel ........................................................................................................................................... 2

4.3.1 General...................................................................................................................................................................................... 2

4.3.2 Personnel performing non-destructive testing (including visual testing) .................... 2

4.3.3 Destructive testing personnel .............................................................................................................................. 2

4.4 Equipment ................................................................................................................................................................................................... 2

4.4.1 Suitability of equipment ............................................................................................................................................ 2

4.4.2 Reproducibility tests for qualified machine welding settings .................................................. 3

4.4.3 Equipment maintenance ........................................................................................................................................... 3

4.5 Welding procedure specification ............................................................................................................................................. 3

4.6 Friction stir welding tool ................................................................................................................................................................ 3

4.6.1 Identification ....................................................................................................................................................................... 3

4.6.2 Friction stir welding tool inspection .............................................................................................................. 3

4.7 Pre-weld joint preparation and fit-up ................................................................................................................................. 4

4.7.1 Joint preparation .............................................................................................................................................................. 4

4.7.2 Pre-weld cleaning............................................................................................................................................................ 4

4.8 Preheating and interpass temperature control .......................................................................................................... 4

4.9 Tack welds ................................................................................................................................................................................................... 4

4.10 Welding .......................................................................................................................................................................................................... 4

4.11 Postweld heat treatment ................................................................................................................................................................ 4

4.12 Inspection and testing ...................................................................................................................................................................... 4

4.12.1 General...................................................................................................................................................................................... 4

4.12.2 Inspection and testing before welding.......................................................................................................... 4

4.12.3 Inspection and testing during welding ......................................................................................................... 5

4.12.4 Inspection and testing after welding .............................................................................................................. 5

4.12.5 Damaged and non-conforming welds ............................................................................................................ 6

4.12.6 Weld geometry correction ....................................................................................................................................... 6

4.13 Identification and traceability ................................................................................................................................................... 6

Annex A (normative) Imperfections, testing and examination, acceptance levels, and

ISO 6520-1 reference number ................................................................................................................................................................ 7

Bibliography .............................................................................................................................................................................................................................12

© ISO 2020 – All rights reserved iii
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SIST EN ISO 25239-5:2020
ISO 25239-5:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by IIW, International Institute of Welding, Commission III, Resistance

Welding, Solid State Welding and Allied Joining Process, in collaboration with the European Committee for

Standardization (CEN) Technical Committee CEN/TC 121, Welding and allied processes, in accordance

with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 25239-5:2011), which has been technically

revised.
The main changes compared to the previous edition are as follows:

— the concept of three different acceptance levels for the assessment of weld quality has been added

to Annex A;

— the following imperfections have been added to Table A.1: angular misalignment, joint area

deformation, surface breaking cavity, solid inclusion, joint remnants and multiple imperfections;

— the requirements for personnel performing non-destructive testing and visual testing have been

aligned with ISO 17637
A list of all parts in the ISO 25239 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
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SIST EN ISO 25239-5:2020
ISO 25239-5:2020(E)
Introduction

Welding processes are widely used in the fabrication of engineered structures. During the second half

of the twentieth century, fusion welding processes, wherein fusion is obtained by the melting of parent

material and usually a filler metal, dominated the welding of large structures. In 1991, Wayne Thomas

at TWI invented friction stir welding (FSW), which is carried out entirely in the solid phase (no melting).

The increasing use of FSW has created the need for this document in order to ensure that welding is

carried out in the most effective way and that appropriate control is exercised over all aspects of the

operation. This document focuses on the FSW of aluminium because, at the time of publication, the

majority of commercial applications for FSW involved aluminium. Examples include railway carriages,

consumer products, food processing equipment, aerospace structures, and marine vessels.

© ISO 2020 – All rights reserved v
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SIST EN ISO 25239-5:2020
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SIST EN ISO 25239-5:2020
INTERNATIONAL STANDARD ISO 25239-5:2020(E)
Friction stir welding — Aluminium —
Part 5:
Quality and inspection requirements
1 Scope

This document specifies a method for determining the capability of a manufacturer to use the friction

stir welding (FSW) process for the production of products of the specified quality. It specifies quality

requirements, but does not assign those requirements to any specific product group.

In this document, the term “aluminium” refers to aluminium and its alloys.
This document does not apply to friction stir spot welding which is covered
...

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