EN ISO 18785-4:2021

Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 18785-4:2018)

This document specifies the requirements for the content of welding procedure specifications for the Friction Stir Spot welding (FSSW) of aluminium.
In this document, the term "aluminium" refers to aluminium and its alloys

Rührreibpunktschweißen - Aluminium - Teil 4: Festlegung und Qualifizierung des Schweißverfahrens (ISO 18785-4:2018)

Dieses Dokument legt die Anforderungen an den Inhalt von Schweißanweisungen für das Rührreibpunkt-schweißen (FSSW) von Aluminium fest.
Der Begriff "Aluminium" bezieht sich in diesem Dokument auf Aluminium und seine Legierungen.

Soudage par friction-malaxage par points - Aluminium - Partie 4: Descriptif et qualification des modes opératoires de soudage (ISO 18785-4:2018)

Le présent document spécifie les exigences de contenu des descriptifs de modes opératoires de soudage traitant du soudage par friction-malaxage par points de l'aluminium.
Dans le présente document, le terme «aluminium» se rapporte à l'aluminium et à ses alliages.

Točkovno varjenje z gnetenjem - Aluminij - 4. del: Popis in kvalifikacija varilnih postopkov (ISO 18785-4:2018)

General Information

• Status: Published
• Publication Date: 12-Jan-2021
• Withdrawal Date: 30-Jul-2021
• ICS: 25.160.10 - Welding processes
• Technical Committee: CEN/TC 121 - Welding
• Drafting Committee: CEN/TC 121 - Welding
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 13-Jan-2021
• Due Date: 16-Jul-2022
• Completion Date: 13-Jan-2021
• Ref Project: SIST EN ISO 18785-4:2021 - Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 18785-4:2018)

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2021
Točkovno varjenje z gnetenjem - Aluminij - 4. del: Popis in kvalifikacija varilnih
postopkov (ISO 18785-4:2018)
Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding
procedures (ISO 18785-4:2018)
Rührreibpunktschweißen - Aluminium - Teil 4: Festlegung und Qualifizierung des
Schweißverfahrens (ISO 18785-4:2018)
Soudage par friction-malaxage par points - Aluminium - Partie 4: Descriptif et
qualification des modes opératoires de soudage (ISO 18785-4:2018)
Ta slovenski standard je istoveten z: EN ISO 18785-4:2021
ICS:
25.160.10 Varilni postopki in varjenje Welding processes
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 18785-4
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2021
EUROPÄISCHE NORM
ICS 25.160.10
English Version
Friction stir spot welding - Aluminium - Part 4:
Specification and qualification of welding procedures (ISO
18785-4:2018)
Soudage par friction-malaxage par points - Aluminium Rührreibpunktschweißen - Aluminium - Teil 4:
- Partie 4: Descriptif et qualification des modes Festlegung und Qualifizierung des Schweißverfahrens
opératoires de soudage (ISO 18785-4:2018) (ISO 18785-4:2018)
This European Standard was approved by CEN on 6 December 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18785-4:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 18785-4:2018 has been prepared by Technical Committee ISO/IIW "International
Institute of Welding” of the International Organization for Standardization (ISO) and has been taken
over as EN ISO 18785-4:2021 by 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 July 2021, and conflicting national standards shall be
withdrawn at the latest by July 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.
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 18785-4:2018 has been approved by CEN as EN ISO 18785-4:2021 without any
modification.
INTERNATIONAL ISO
STANDARD 18785-4
First edition
2018-11
Friction stir spot
welding — Aluminium —
Part 4:
Specification and qualification of
welding procedures
Soudage par friction-malaxage par points — Aluminium —
Partie 4: Descriptif et qualification des modes opératoires de soudage
Reference number
ISO 18785-4:2018(E)
©
ISO 2018
ISO 18785-4:2018(E)
© ISO 2018
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
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Published in Switzerland
ii © ISO 2018 – All rights reserved

ISO 18785-4:2018(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Development and qualification of welding procedures . 2
4.1 General . 2
4.2 Technical content of a pWPS . 2
4.2.1 Manufacturer information . 2
4.2.2 Composition of parent material . 2
4.2.3 Dimensions of material . 2
4.2.4 Welding method . 2
4.2.5 Machine specifications. 3
4.2.6 Tool identification . 3
4.2.7 Clamping processes and conditions . 3
4.2.8 Joint design . 3
4.2.9 Joint preparation and cleaning methods . 3
4.2.10 Welding technique . 3
4.2.11 Post-weld processing . 3
5 Qualification based on a welding procedure test . 4
5.1 General . 4
5.2 Standardized test piece. 4
5.3 Welding of components, subscale test components or test specimens . 4
6 Examination and testing . 4
6.1 Visual testing . 4
6.1.1 General. 4
6.1.2 Re-testing . 4
6.2 Destructive testing . 4
6.2.1 General. 4
6.2.2 Re-testing . 4
6.3 Macrosection . 5
6.4 Range of qualification . 5
6.4.1 General. 5
6.4.2 Related to the manufacturer . 5
6.4.3 Related to the material . 5
6.4.4 Common to all welding procedures . 5
6.4.5 Other variables . 6
7 Qualification based on pre-production welding test . 6
7.1 General . 6
7.2 Test pieces . 6
7.3 Examination and testing of test pieces . 6
7.4 Range of qualification . 6
7.5 Welding procedure qualification record . 6
Annex A (informative) Example format for a welding procedure specification .7
Annex B (informative) Additional variables to be considered in WPS's for FSSW variants .8
Annex C (informative) Example welding procedure qualification record forms .9
Bibliography .
...