Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections (ISO 10042:2018)

This document specifies quality levels for imperfections in arc-welded joints in aluminium and its alloys. It applies to material thicknesses above 0,5 mm.
Three quality levels are given in order to permit application to a wide range of welded constructions. They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement on the finished weld. The quality levels refer to production quality and not to the fitness for purpose (see 3.2) of the product manufactured.
This document is applicable all types of weld (e.g. butt welds, fillet welds and branch connections), to, manual, mechanized and automatic welding, and to all welding positions.
It is applicable to the following welding processes:
- metal inert gas welding (MIG welding); gas metal arc welding /USA;
- tungsten inert gas welding (TIG welding); gas tungsten arc welding /USA;
- plasma arc welding.
It is not applicable to metallurgical aspects (e.g. grain size, hardness).

Schweißen - Lichtbogenschweißverbindungen an Aluminium und seinen Legierungen - Bewertungsgruppen von Unregelmäßigkeiten (ISO 10042:2018)

Diese Internationale Norm enthält Bewertungsgruppen von Unregelmäßigkeiten an Lichtbogenschweiß-verbindungen aus Aluminium und seinen Legierungen. Sie gilt für Werkstoffdicken von über 0,5 mm und deckt durchgeschweißte Stumpfnähte sowie alle Arten von Kehlnähten ab. Die Grundsätze dieser Internationalen Norm dürfen auch für teilweise durchgeschweißte Stumpfnähte angewendet werden.
ISO 13919 2 enthält Bewertungsgruppen für strahlgeschweißte Verbindungen.
Die drei Bewertungsgruppen sind so festgelegt, dass sie eine breite Anwendung in der schweißtechnischen Fertigung erlauben. Sie werden bezeichnet durch die Kennbuchstaben B, C und D. Bewertungsgruppe B entspricht den höchsten Anforderungen an die fertige Schweißnaht. Die Bewertungsgruppen beziehen sich auf die Fertigungsqualität und nicht auf die Gebrauchstauglichkeit (siehe 3.2) des gefertigten Erzeugnisses.
Diese Internationale Norm gilt für:
—   alle Schweißverbindungen, z. B. Stumpfnähte, Kehlnähte und Rohrabzweigungen;
—   die folgenden Schweißprozesse:
—   Metall Inertgasschweißen (MIG Schweißen); USA: gas metal arc welding
—   Wolfram Inertgasschweißen (WIG Schweißen); USA: gas tungsten arc welding
—   Plasmaschweißen;
—   manuelles, mechanisiertes und automatisches Schweißen;
—   alle Schweißpositionen.
Metallurgische Gesichtspunkte, z. B. Korngröße, Härte, werden von dieser Internationalen Norm nicht erfasst.

Soudage - Assemblages en aluminium et alliages d'aluminium soudés à l'arc - Niveaux de qualité par rapport aux défauts (ISO 10042:2018)

Le présent document fournit des niveaux de qualité par rapport aux défauts dans les assemblages en aluminium et alliages d'aluminium soudés à l'arc. Elle s'applique à des épaisseurs de matériau supérieures à 0,5 mm.
Trois niveaux de qualité sont donnés dans l'ordre dans le but de permettre l'application à une large gamme de fabrications soudées. Ils sont désignés par les symboles B, C et D. Le niveau de qualité B correspond à l'exigence la plus élevée pour la soudure terminée. Les niveaux de qualité se rapportent à la qualité de la fabrication et non à l'aptitude à l'emploi (voir 3.2) du produit fini.
Le présent document s'applique à tous les types de soudures (par exemple soudures bout à bout, soudures d'angle et piquages), au soudage manuel, mécanisé et automatique, et à toutes les positions de soudage.
Il s'applique aux procédés de soudage suivants:
- soudage à l'arc en atmosphère inerte avec fil électrode (MIG);
- soudage à l'arc en atmosphère inerte avec électrode de tungstène (TIG);
- soudage à l'arc au plasma;
Le présent document ne traite pas des aspects métallurgiques (par exemple la grosseur de grain ou la dureté).

Varjenje - Obločni zvarni spoji na aluminiju in njegovih zlitinah - Stopnje sprejemljivosti nepopolnosti (ISO 10042:2018)

Ta dokument določa stopnje sprejemljivosti nepopolnosti za obločne zvarne spoje na aluminiju in njegovih zlitinah. Uporablja se za debeline materialov, večje od 0,5 mm.
Za uporabo pri širokem naboru varjenih konstrukcij so podane tri stopnje sprejemljivosti. Označene so s simboli B, C in D. Stopnja sprejemljivosti B ustreza najvišjim zahtevam za končne zvare. Stopnje sprejemljivosti se nanašajo na kakovost izdelave in ne primernost za namen (glej točko 3.2) izdelanega proizvoda.
Ta dokument se uporablja za vse vrste zvarov (npr. soležne zvare, kotne zvare in Y-zvare), ročno, mehanizirano in avtomatizirano varjenje ter vse položaje varjenja.
Uporablja se za naslednje postopke varjenja:
– obločno varjenje v inertnem plinu s taljivo elektrodo (varjenje MIG); varjenje GMAW/ZDA;
– obločno varjenje v inertnem plinu z volframovo elektrodo (varjenje TIG); varjenje GTAW/ZDA;
– plazemsko obločno varjenje.
Ne uporablja se za metalurške vidike (npr. velikost zrn, trdota).

General Information

Status
Published
Publication Date
10-Jul-2018
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
11-Jul-2018
Completion Date
11-Jul-2018

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SLOVENSKI STANDARD
SIST EN ISO 10042:2018
01-oktober-2018
1DGRPHãþD
SIST EN ISO 10042:2006
SIST EN ISO 10042:2006/AC:2006
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VSUHMHPOMLYRVWLQHSRSROQRVWL ,62

Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections

(ISO 10042:2018)
Schweißen - Lichtbogenschweißverbindungen an Aluminium und seinen Legierungen -
Bewertungsgruppen von Unregelmäßigkeiten (ISO 10042:2018)

Soudage - Assemblages en aluminium et alliages d'aluminium soudés à l'arc - Niveaux

de qualité par rapport aux défauts (ISO 10042:2018)
Ta slovenski standard je istoveten z: EN ISO 10042:2018
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
SIST EN ISO 10042:2018 en,fr,de

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

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SIST EN ISO 10042:2018
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SIST EN ISO 10042:2018
EN ISO 10042
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2018
EUROPÄISCHE NORM
ICS 25.160.40 Supersedes EN ISO 10042:2005
English Version
Welding - Arc-welded joints in aluminium and its alloys -
Quality levels for imperfections (ISO 10042:2018)

Soudage - Assemblages en aluminium et alliages Schweißen - Lichtbogenschweißverbindungen an

d'aluminium soudés à l'arc - Niveaux de qualité par Aluminium und seinen Legierungen -

rapport aux défauts (ISO 10042:2018) Bewertungsgruppen von Unregelmäßigkeiten (ISO

10042:2018)
This European Standard was approved by CEN on 10 June 2018.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10042:2018 E

worldwide for CEN national Members.
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SIST EN ISO 10042:2018
EN ISO 10042:2018 (E)
Contents Page

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

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SIST EN ISO 10042:2018
EN ISO 10042:2018 (E)
European foreword

This document (EN ISO 10042:2018) has been prepared by Technical Committee ISO/TC 44 "Welding

and allied processes" 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 2019, and conflicting national standards shall

be withdrawn at the latest by January 2019.

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 10042:2005.

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, Former Yugoslav Republic of Macedonia,

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

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 10042:2018 has been approved by CEN as EN ISO 10042:2018 without any modification.

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SIST EN ISO 10042:2018
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SIST EN ISO 10042:2018
INTERNATIONAL ISO
STANDARD 10042
Third edition
2018-06
Welding — Arc-welded joints in
aluminium and its alloys — Quality
levels for imperfections
Soudage — Assemblages en aluminium et alliages d'aluminium
soudés à l'arc — Niveaux de qualité par rapport aux défauts
Reference number
ISO 10042:2018(E)
ISO 2018
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SIST EN ISO 10042:2018
ISO 10042:2018(E)
COPYRIGHT PROTECTED DOCUMENT
© 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved
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SIST EN ISO 10042:2018
ISO 10042:2018(E)
Contents Page

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

Introduction ................................................................................................................................................................................................................................vi

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

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

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

4 Symbols .......................................................................................................................................................................................................................... 2

5 Assessment of imperfections ................................................................................................................................................................... 3

Annex A (informative) Examples of the determination of the percent porosity ..................................................16

Annex B (informative) Additional information and guidelines for users of this document ....................18

Bibliography .............................................................................................................................................................................................................................19

© ISO 2018 – All rights reserved iii
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SIST EN ISO 10042:2018
ISO 10042:2018(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 Technical Committee ISO/TC 44, Welding and allied processes,

Subcommittee SC 10, Quality management in the field of welding.

This third edition cancels and replaces the second edition (ISO 10042:2005), of which it constitutes a

minor revision. The changes compared to the previous edition are as follows:
— reference numbers from ISO 4063 have been deleted in the Scope;

— in Table 1, 1.3, reference number ISO 6520-1 has been changed from “2012 - uniformly distributed

porosity ” to “2018 - surface porosity”;

— in Table 1, 1.8, a new figure has been inserted and changes to quality levels B and C have been made;

— in Table 1, 1.9, changes to quality level C have been made;
— in Table 1, 1.14, a drawing has been added;
— in Table 1, 1.15, changes to quality level D have been made;

— in Table 1, 1.18, a drawing has been deleted and a new one inserted, and reference to 6520-1-5013

“shrinkage groove” has been deleted;

— in Table 1, 1.19 to 1.21, imperfections have been added with values from ISO 5817: poor restart,

stray arc, spatter;
— in Table 1, 2.2, changes to quality levels B and C have been made;
— in Table 1, 2.10, changes to quality levels C and D have been made;

— in Table 1, 2.11, a drawing has been deleted and new ones introduced, requirements for “Butt joint

(full penetration)” have been updated;

— in Table 1, 2.12, a new drawing has been introduced with new requirements, and changes to quality

levels C and D have been made;
iv © ISO 2018 – All rights reserved
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SIST EN ISO 10042:2018
ISO 10042:2018(E)
— editorial changes have been made.

Requests for official interpretation of any aspect of this document should be directed to the secretariat

of ISO/TC 44/SC 10 via your national standards body. A complete listing of these bodies can be found at

www .iso .org.
© ISO 2018 – All rights reserved v
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SIST EN ISO 10042:2018
ISO 10042:2018(E)
Introduction

This document is intended to be used as a reference in drafting application codes and/or other

application standards. It contains a simplified selection of arc welding imperfections based on the

designations given in ISO 6520-1.

Some imperfections described in ISO 6520-1 have been used directly while others have been grouped

together. The basic numerical referencing system from ISO 6520-1 has been used.

The purpose of this document is to define the dimensions of typical imperfections which can be

expected in normal fabrication. It can be used within a quality system for the production of welded

joints. It provides three sets of dimensional values from which a selection can be made for a particular

application. The quality level necessary in each case needs to be defined by the application standard or

the responsible designer, in conjunction with the manufacturer, user and/or other parties concerned.

The quality level are prescribed before the start of production, preferably at the enquiry or order stage.

For special purposes, additional details can be necessary.

The quality levels given in this document provide basic reference data and are not specifically related

to any particular application. They refer to the types of welded joint in fabrication and not to the

complete product or component itself. It is possible, therefore, that different quality levels are applied

to individual welded joints in the same product or component.

It is normally be expected that, for a particular welded joint, the dimensional limits for imperfections

can all be covered by specifying one quality level. In some cases, it can be necessary to specify different

quality levels for different imperfections in the same welded joint.

The choice of quality level for any application takes account of design considerations, subsequent

processing (e.g. surfacing), mode of stressing (e.g. static, dynamic), service conditions (e.g. temperature,

environment) and consequences of failure. Economic factors are also important and include not only

the cost of welding but also of inspection, test and repair.

Although this document includes types of imperfection relevant to the arc welding processes given in

Clause 1, only those which are applicable to the process and application in question are considered.

Imperfections are quoted in terms of their actual dimensions, and their detection and evaluation

can require the use of one or more methods of non-destructive testing. The detection and sizing of

imperfections is dependent on the testing methods and the extent of testing specified in the application

standard or contract.

This document does not address the methods used for the detection of imperfections. However,

ISO 17635 contains a correlation between the quality level and acceptance level for different NDT (non-

destructive testing) methods.

This document is directly applicable to visual testing of welds and does not include details of

recommended methods of detection or sizing by other non-destructive means. There are difficulties

in using these limits to establish appropriate criteria applicable to NDT methods such as ultrasonic

(UT), radiographic (RT) and penetrant testing (PT), for which additional requirements for testing can

be necessary.

The values given for imperfections are for welds produced using normal welding practice. Requirements

for smaller (more stringent) values as stated in quality level B can include additional manufacturing

processes, e.g. grinding, TIG dressing.
vi © ISO 2018 – All rights reserved
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SIST EN ISO 10042:2018
INTERNATIONAL STANDARD ISO 10042:2018(E)
Welding — Arc-welded joints in aluminium and its alloys
— Quality levels for imperfections
1 Scope

This document specifies quality levels for imperfections in arc-welded joints in aluminium and its

alloys. It applies to material thicknesses above 0,5 mm.

Three quality levels are given in order to permit application to a wide range of welded constructions.

They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement

on the finished weld. The quality levels refer to production quality and not to the fitness for purpose

(see 3.2) of the product manufactured.

This document is applicable to all types of welds (e.g. butt welds, fillet welds and branch connections),

to manual, mechanized and automated welding, and to all welding positions.
It is applicable to the following welding processes:
— metal inert gas welding (MIG welding); gas metal arc welding /USA;
— tungsten inert gas welding (TIG welding); gas tungsten arc welding /USA;
— plasma arc welding.
It is not applicable to metallurgical aspects (e.g. grain size, hardness).
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 6520-1, Welding and allied processes — Classification of geometric imperfections in metallic

materials — Part 1: Fusion welding
3 Terms and de
...

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