SIST EN ISO 14341:2008

SLOVENSKI STANDARD
SIST EN ISO 14341:2008
01-september-2008
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SIST EN 440:1995
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Welding consumables - Wire electrodes and deposits for gas shielded metal arc welding
of non alloy and fine grain steels - Classification (ISO 14341:2002)
Schweißzusätze - Drahtelektroden und Schweißgut zum Metall-Schutzgasschweißen
von unlegierten Stählen und Feinkornstählen - Einteilung (ISO 14341:2002)
Produits consommables pour le soudage - Fils-électrodes et dépôts pour le soudage à
l'arc sous protection gazeuse des aciers non alliés et à grains fins - Classification (ISO
14341:2002)
Ta slovenski standard je istoveten z: EN ISO 14341:2008
ICS:
25.160.20 Potrošni material pri varjenju Welding consumables
SIST EN ISO 14341:2008 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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EUROPEAN STANDARD
EN ISO 14341
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2008
ICS 25.160.20 Supersedes EN 440:1994
English Version
Welding consumables - Wire electrodes and deposits for gas
shielded metal arc welding of non alloy and fine grain steels -
Classification (ISO 14341:2002)
Produits consommables pour le soudage - Fils-électrodes Schweißzusätze - Drahtelektroden und Schweißgut zum
et dépôts pour le soudage à l'arc sous protection gazeuse Metall-Schutzgasschweißen von unlegierten Stählen und
des aciers non alliés et à grains fins - Classification (ISO Feinkornstählen - Einteilung (ISO 14341:2002)
14341:2002)
This European Standard was approved by CEN on 5 April 2008.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, 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
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 14341:2008: E
worldwide for CEN national Members.

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EN ISO 14341:2008 (E)
Contents Page
Foreword.3

2

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EN ISO 14341:2008 (E)
Foreword
The text of ISO 14341:2002 has been prepared by Technical Committee ISO/TC 44 “Welding and allied
processes” of the International Organization for Standardization (ISO) and has been taken over as EN ISO
14341:2008 by 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 November 2008, and conflicting national standards shall be withdrawn
at the latest by November 2008.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 440:1994.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 14341:2002 has been approved by CEN as a EN ISO 14341:2008 without any modification.


3

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INTERNATIONAL ISO
STANDARD 14341
First edition
2002-11-01


Welding consumables — Wire electrodes
and deposits for gas shielded metal arc
welding of non alloy and fine grain steels —
Classification
Produits consommables pour le soudage — Fils-électrodes et dépôts pour
le soudage à l'arc sous protection gazeuse des aciers non alliés et à grains
fins — Classification





Reference number
ISO 14341:2002(E)
©
 ISO 2002

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ISO 14341:2002(E)
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©  ISO 2002
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ii © ISO 2002 – All rights reserved

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ISO 14341:2002(E)
Contents Page
Foreword . iv
Introduction. v
1 Scope. 1
2 Normative references. 1
3 Classification . 2
4 Symbols and requirements . 2
4.1 Symbol for the product/process. 2
4.2 Symbol for strength and elongation of all-weld metal . 3
4.3 Symbol for impact properties of all-weld metal . 3
4.4 Symbol for shielding gas. 4
4.5 Symbol for the chemical composition of wire electrodes . 4
5 Mechanical tests. 8
5.1 Preheating and interpass temperatures . 8
5.2 Welding conditions and pass sequence. 9
5.3 PWHT condition. 9
6 Chemical analysis . 10
7 Retest. 10
8 Technical delivery conditions. 10
9 Example of designation. 10

© ISO 2002 – All rights reserved iii

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ISO 14341:2002(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 3.
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 International Standard may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 14341 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee SC 3,
Welding consumables.
iv © ISO 2002 – All rights reserved

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ISO 14341:2002(E)
Introduction
This International Standard recognizes that there are two somewhat different approaches in the global market to
classifying a given wire electrode, and allows for either or both to be used, to suit a particular market need.
Application of either type of classification designation (or both where suitable) identifies a product as classified
according to this International Standard.
This International Standard provides a classification in order to designate wire electrodes in terms of their chemical
composition and, where required, in terms of the yield strength, tensile strength and elongation of the all-weld
metal. The ratio of yield to tensile strength of weld metal is generally higher than that of parent metal. Users should
note that matching weld metal yield strength to parent metal yield strength will not necessarily ensure that the weld
metal tensile strength matches that of the parent material. Where the application of the material requires matching
tensile strength, therefore, selection of the consumable should be made by reference to column 3 of Table 1A
or 1B.
It should be noted that the mechanical properties of all-weld metal test specimens used to classify the electrodes
will vary from those obtained in production joints because of differences in welding procedure such as electrode
size, width of weave, welding position and material composition.
Requests for official interpretation of any aspect of this International Standard should be directed to the Secretariat
of ISO/TC 44/SC 3 via the member body in the user's country, a complete listing of which can be found at
www.iso.org.

© ISO 2002 – All rights reserved v

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INTERNATIONAL STANDARD ISO 14341:2002(E)

Welding consumables — Wire electrodes and deposits for gas
shielded metal arc welding of non alloy and fine grain steels —
Classification
1 Scope
This International Standard specifies requirements for classification of wire electrodes in the as-welded condition
and in the post weld heat-treated condition for gas shielded metal arc welding of non alloy and fine grain steels with
2 2
a minimum yield strength of up to 500 N/mm or a minimum tensile strength of up to 570 N/mm . One wire
electrode can be tested and classified with different shielding gases.
This document constitutes a combined specification providing classification utilizing a system based upon the yield
strength and the average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile
strength and the average impact energy of 27 J of all-weld metal.
1) Paragraphs and tables which carry the suffix letter “A” are applicable only to wire electrodes classified to
the system based upon the yield strength and the average impact energy of 47 J of all-weld metal in
accordance with this International Standard.
2) Paragraphs and tables which carry the suffix letter “B” are applicable only to wire electrodes classified to
the system based upon the tensile strength and the average impact energy of 27 J of all-weld metal in
accordance with this International Standard.
3) Paragraphs and tables which have neither the suffix letter “A” nor the suffix letter “B” are applicable to all
wire electrodes classified in accordance with this International Standard.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this International Standard. For dated references, subsequent amendments to, or revisions of, any of these
publications do not apply. However, parties to agreements based on this International Standard are encouraged to
investigate the possibility of applying the most recent editions of the normative documents indicated below. For
undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC
maintain registers of currently valid International Standards.
ISO 31-0:1992, Quantities and units — Part 0: General principles
ISO 544, Welding consumables — Technical delivery conditions for welding filler metals — Type of product,
dimensions, tolerances and marking
ISO 13916, Welding — Guidance on the measurement of preheating temperature, interpass temperature and
preheat maintenance temperature
ISO 14175:1997, Welding consumables — Shielding gases for arc welding and cutting
ISO 14344, Welding and allied processes — Flux and gas shielded electrical welding processes — Procurement
guidelines for consumables
ISO 15792-1:2000, Welding consumables — Test methods — Part 1: Test methods for all-weld metal test
specimens in steel, nickel and nickel alloys
© ISO 2002 – All rights reserved 1

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ISO 14341:2002(E)
3 Classification
Classification designations are based upon two approaches to indicate the tensile properties and the impact
properties of the all-weld metal obtained with a given electrode. The two designation approaches include additional
designators for some other classification requirements, but not all, as will be clear from the following sections. In
most cases, a given commercial product can be classified to the classification requirements in both systems. Then
either or both classification designations can be used for the product.
A wire electrode shall be classified according to its chemical composition as in Table 3A or Table 3B. A weld
deposit shall be classified with additional symbols according to the mechanical properties of its all-weld metal,
using a shielding gas from a specific group.
3A Classification by yield strength and 47 J 3B Classification by tensile strength and 27
impact energy J impact energy
The classification is divided into five parts: The classification is divided into five parts:
1) the first part gives a symbol indicating the 1) the first part gives a symbol indicating the
product/process to be identified; product/process to be identified;
2) the second part gives a symbol indicating the 2) the second part gives a symbol indicating the
strength and elongation of the all-weld metal strength and elongation of the all-weld metal
(see Table 1A); in either the as-welded or post weld heat-
treated condition (see Table 1B);
3) the third part gives a symbol indicating the
3) the third part gives a symbol indicating the
impact properties of all-weld metal (see
impact properties of all-weld metal in the
Table 2);
same condition as specified for the tensile
strength (see Table 2). The letter “U” after
this symbol indicates that the deposit meets
an average optional requirement of 47 J at
the designated Charpy test temperature;
4) the fourth part gives a symbol indicating the 4) the fourth part gives a symbol indicating the
shielding gas used (see 4.4); shielding gas used (see 4.4);
5) the fifth part gives a symbol indicating the
5) the fifth part gives a symbol indicating the
chemical composition of the wire electrode chemical composition of the wire electrode
used (see Table 3B).
used (see Table 3A).
4 Symbols and requirements
4.1 Symbol for the product/process
The symbol of weld deposit by the gas shielded metal arc welding process shall be the letter “G” placed at the
beginning of the designation.
The symbol of a wire electrode for the gas shielded metal arc welding shall be the letter “G” placed at the beginning
of the wire electrode designation.
2 © ISO 2002 – All rights reserved

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ISO 14341:2002(E)
4.2 Symbol for strength and elongation of all-weld metal
4.2B Classification by tensile strength and 27 J
4.2A Classification by yield strength and 47 J
impact energy
impact energy
The symbols in Table 1B indicate yield strength,
The symbols in Table 1A indicate yield strength,
tensile strength and elongation of the all-weld metal in
tensile strength and elongation of the all-weld metal in
the as-welded condition or in the post weld heat-
the as-welded condition determined in accordance
tr
...