Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections (ISO 10042:2005)

This International Standard specifies quality levels for  imperfections in arc-welded joints in aluminium and its alloys.  It applies to material thicknesses above 0, 5 mm. It covers full- penetration butt welds and all fillet welds. The principles of this  International Standard may also be applied to partial- penetration butt welds. Quality levels for beam-welded joints  are presented in ISO 13919-2. 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 International Standard applies to: - all  types of weld, e.g. butt welds, fillet welds and branch  connections; - the following welding processes and their sub- processes as defined in ISO 4063: - 131 metal inert gas  welding (MIG welding); gas metal arc welding /USA/, - 141  tungsten inert gas welding (TIG welding); gas tungsten arc  welding /USA/, - 15 plasma arc welding; - manual,  mechanized and automatic welding; - all welding positions.  Metallurgical aspects, e.g. grain size, hardness, are not  covered by this International Standard.

Schweißen - Lichtbogenschweißverbindungen an Aluminium und seinen Legierungen - Bewertungsgruppen von Unregelmäßigkeiten (ISO 10042:2005)

Diese Internationale Norm enthält Bewertungsgruppen von Unregelmäßigkeiten an Lichtbogenschweißverbindungen aus Aluminium und seinen Legierungen. Sie gilt für Werkstückdicken größer als 0,5 mm. Sie behandelt voll durchgeschweißte Stumpfnähte und alle Arten von Kehlnähten. Die Grundsätze dieser Norm dürfen auch für teilweise durchgeschweißte Stumpfnähte angewendet werden.
Bewertungsgruppen für strahlgeschweißte Verbindungen enthält ISO 13919-2.
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 und ihre zugeordneten Unterprozesse nach ISO 4063:
-   131    Metall-Inertgasschweißen; MIG-Schweißen,
-   141    Wolfram-Inertgasschweißen; WIG-Schweißen,
-   15    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 a l'arc - Niveaux de qualité par rapport aux défauts (ISO 10042:2005)

L'ISO 10042:2005 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. Elle couvre les soudures bout à bout à pleine pénétration et toutes les soudures d'angle. Les principes de la présente norme peuvent aussi s'appliquer aux soudures bout à bout à pénétration partielle.
Trois niveaux de qualité sont donnés dans le but de permettre son application à une large gamme de fabrications soudées. Les niveaux de qualité se rapportent à la qualité de la fabrication et non à l'aptitude à l'emploi du produit fini.
L'ISO 10042:2005 s'applique:
à tous les types de soudures, par exemple soudures bout à bout, soudures d'angle et piquages;
aux procédés de soudage suivants et à leurs sous-catégories définies dans l'ISO 4063:
131, soudage à l'arc en atmosphère inerte avec fil électrode (MIG);
141, soudage à l'arc en atmosphère inerte avec électrode de tungstène (TIG);
15, soudage à l'arc au plasma;
au soudage manuel, mécanisé et automatique;
à toutes les positions de soudage.
L'ISO 10042:2005 ne traite pas des aspects métallurgiques, par exemple la grosseur de grain ou la dureté.

Varjenje – Zvarni spoji aluminija in njegovih zlitin – Stopnje sprejemljivosti nepopolnosti (ISO 10042:2005)

General Information

Status
Withdrawn
Publication Date
28-Feb-2006
Withdrawal Date
11-Sep-2018
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
30-Aug-2018
Due Date
22-Sep-2018
Completion Date
12-Sep-2018

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SLOVENSKI STANDARD
SIST EN ISO 10042:2006
01-marec-2006
1DGRPHãþD
SIST EN 30042:1995
Varjenje – Zvarni spoji aluminija in njegovih zlitin – Stopnje sprejemljivosti
nepopolnosti (ISO 10042:2005)
Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections
(ISO 10042:2005)
Schweißen - Lichtbogenschweißverbindungen an Aluminium und seinen Legierungen -
Bewertungsgruppen von Unregelmäßigkeiten (ISO 10042:2005)
Soudage - Assemblages en aluminium et alliages d'aluminium soudés a l'arc - Niveaux
de qualité par rapport aux défauts (ISO 10042:2005)
Ta slovenski standard je istoveten z: EN ISO 10042:2005
ICS:
25.160.40 Varjeni spoji in vari Welded joints
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
SIST EN ISO 10042:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 10042:2006

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SIST EN ISO 10042:2006
EUROPEAN STANDARD
EN ISO 10042
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2005
ICS 25.160.40 Supersedes EN 30042:1994
English Version
Welding - Arc-welded joints in aluminium and its alloys - Quality
levels for imperfections (ISO 10042:2005)
Soudage - Assemblages en aluminium et alliages Schweißen - Lichtbogenschweißverbindungen an
d'aluminium soudés à l'arc - Niveaux de qualité par rapport Aluminium und seinen Legierungen - Bewertungsgruppen
aux défauts (ISO 10042:2005) von Unregelmäßigkeiten (ISO 10042:2005)
This European Standard was approved by CEN on 28 October 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10042:2005: E
worldwide for CEN national Members.

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SIST EN ISO 10042:2006

EN ISO 10042:2005 (E)





Foreword


This document (EN ISO 10042:2005) has been prepared by Technical Committee ISO/TC 44
"Welding and allied processes" in collaboration with Technical Committee CEN/TC 121
"Welding", 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 May 2006, and conflicting national standards
shall be withdrawn at the latest by May 2006.

This document supersedes EN 30042:1994.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.


Endorsement notice

The text of ISO 10042:2005 has been approved by CEN as EN ISO 10042:2005 without any
modifications.

2

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SIST EN ISO 10042:2006

INTERNATIONAL ISO
STANDARD 10042
Second edition
2005-11-15


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 10042:2005(E)
©
ISO 2005

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SIST EN ISO 10042:2006
ISO 10042:2005(E)
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ii © ISO 2005 – All rights reserved

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SIST EN ISO 10042:2006
ISO 10042:2005(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 2
4 Symbols . 3
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 International
Standard . 18
Bibliography . 19

© ISO 2005 – All rights reserved iii

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SIST EN ISO 10042:2006
ISO 10042:2005(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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 10042 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee
SC 10, Unification of requirements in the field of metal welding.
This second edition cancels and replaces the first edition (ISO 10042:1992), which has been technically
revised.
iv © ISO 2005 – All rights reserved

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SIST EN ISO 10042:2006
ISO 10042:2005(E)
Introduction
This International Standard should 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 and some have been grouped together.
The basic numerical referencing system from ISO 6520-1 has been used.
The purpose of this International Standard is to define the dimensions of typical imperfections which might be
expected in normal fabrication. It may 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 should be defined by the application standard or the responsible designer
in conjunction with the manufacturer, user and/or other parties concerned. The quality level will have to be
prescribed before the start of production, preferably at the enquiry or order stage. For special purposes,
additional details may to be prescribed.
The quality levels given in this International Standard 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 would normally be expected that for a particular welded joint the dimensional limits for imperfections could
all be covered by specifying one quality level. In some cases, it may be necessary to specify different quality
levels for different imperfections in the same welded joint.
The choice of quality level for any application should take 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 should include not only
the cost of welding but also of inspection, test and repair.
Although this International Standard 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 need to be
considered.
Imperfections are quoted in terms of their actual dimensions, and their detection and evaluation may require
the use of one or more methods of non-destructive testing. The detection and sizing of imperfections is
dependent on the inspection methods and the extent of testing specified in the application standard or
contract.
This International Standard 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 methods.
This International Standard is directly applicable to visual examination of welds and does not include details of
recommended methods of detection or sizing by other non-destructive means. It should be considered that
there are difficulties in using these limits to establish appropriate criteria applicable to non-destructive testing
methods such as ultrasonic, radiographic and penetrant testing and they may need to be supplemented by
requirements for inspection, examination and testing.
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 may include additional manufacturing processes,
e.g. grinding, TIG dressing.
Requests for official interpretation of any aspect of this International Standard 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 2005 – All rights reserved v

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SIST EN ISO 10042:2006

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SIST EN ISO 10042:2006
INTERNATIONAL STANDARD ISO 10042:2005(E)

Welding — Arc-welded joints in aluminium and its alloys —
Quality levels for imperfections
1 Scope
This International Standard specifies quality levels for imperfections in arc-welded joints in aluminium and its
alloys. It applies to material thicknesses above 0,5 mm. It covers full-penetration butt welds and all fillet welds.
The principles of this International Standard may also be applied to partial-penetration butt welds.
Quality levels for beam-welded joints are presented in ISO 13919-2.
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 International Standard applies to:
⎯ all types of weld, e.g. butt welds, fillet welds and branch connections;
⎯ the following welding processes and their sub-processes as defined in ISO 4063:
⎯ 131 metal inert gas welding (MIG welding); gas metal arc welding /USA/,
⎯ 141 tungsten inert gas welding (TIG welding); gas tungsten arc welding /USA/,
⎯ 15 plasma arc welding;
⎯ manual, mechanized and automatic welding;
⎯ all welding positions.
Metallurgical aspects, e.g. grain size, hardness, are not covered by this International Standard.
2 Normative references
The following referenced documents are indispensable for the application 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 2553, Welded, brazed and soldered joints — Symbolic representation on drawings
ISO 4063, Welding and allied processes — Nomenclature of processes and reference numbers
ISO 6520-1:1998, Welding and allied processes — Classification of geometric imperfections in metallic
materials — Part 1: Fusion welding
© ISO 2005 – All rights reserved 1

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SIST EN ISO 10042:2006
ISO 10042:2005(E)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
quality level
description of the quality of a weld on the basis of type, size and amount of selected imperfections
3.2
fitness for purpose
ability of a product, process or service to serve a defined purpose under specific conditions
3.3
short imperfections
in cases when the weld is 100 mm long or longer, imperfections are considered to be short imperfections if, in
the 100 mm which contains the greatest number of imperfections, their total length is less than 25 mm;
in cases when the weld is less than 100 mm long, imperfections are considered to be short imperfections if
their total length is less than 25 % of the length of the weld
3.4
sy
...

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