EN ISO 26304:2011
(Main)Welding consumables - Solid wire electrodes, tubular cored electrodes and electrode-flux combinations for submerged arc welding of high strength steels - Classification (ISO 26304:2011)
Welding consumables - Solid wire electrodes, tubular cored electrodes and electrode-flux combinations for submerged arc welding of high strength steels - Classification (ISO 26304:2011)
ISO 26304:2011 specifies requirements for classification of solid wire electrodes, tubular cored electrodes, and electrode-flux combinations (the all-weld metal deposits) in the as-welded condition and in the post-weld heat-treated condition for submerged arc welding of high strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa. One flux can be tested and classified with different electrodes. One electrode can be tested and classified with different fluxes. The solid wire electrode is also classified separately based on its chemical composition.
ISO 26304:2011 is a combined specification providing for classification utilizing a system based upon the yield strength and average impact energy of 47 J for the all-weld metal, or utilizing a system based upon the tensile strength and average impact energy of 27 J for the all-weld metal.
a) Clauses, subclauses and tables which carry the suffix letter "A" are applicable only to solid wire electrodes, tubular cored electrodes and the all-weld metal deposits classified to the system based upon the yield strength and the average impact energy of 47J for the all-weld metal obtained with electrode-flux combinations in accordance with ISO 26304:2011.
b) Clauses, subclauses and tables which carry the suffix letter "B" are applicable only to solid wire electrodes, tubular cored electrodes and the all-weld metal deposits classified to the system based upon the tensile strength and the average impact energy of 27 J for the all-weld metal obtained with electrode-flux combinations in accordance with ISO 26304:2011.
c) Clauses, subclauses and tables which do not have either the suffix letter "A" or the suffix letter "B" are applicable to all solid wire electrodes, tubular cored electrodes and electrode-flux combinations classified in accordance with ISO 26304:2011.
For comparison purposes, some tables include requirements for electrodes classified in accordance with both systems, placing individual electrodes from the two systems, which are similar in composition and properties, on adjacent lines in the particular table. In a particular line of the table that is mandatory in one system, the symbol for the similar electrode from the other system is indicated in parentheses. By appropriate restriction of the formulation of a particular electrode, it is often, but not always, possible to produce an electrode that can be classified in both systems, in which case the electrode, or its packaging, may be marked with the classification in either or both systems.
Schweißzusätze - Massivdrahtelektroden, Fülldrahtelektroden und Draht-Pulver-Kombinationen zum Unterpulverschweißen von hochfesten Stählen - Einteilung (ISO 26304:2011)
Diese Internationale Norm legt Anforderungen zur Einteilung von Massivdrahtelektroden, Fülldrahtelektroden
und Draht-Pulver-Kombinationen (reines Schweißgut) im Schweißzustand und nach Wärmenachbehandlung
zum Unterpulverschweißen von hochfesten Stählen mit einer Mindeststreckgrenze über 500 MPa oder einer
Mindestzugfestigkeit über 570 MPa fest. Ein Pulver kann mit verschiedenen Massivdraht-/Fülldrahtelektroden
geprüft und eingestuft werden. Eine Drahtelektrode kann mit verschiedenen Schweißpulvern geprüft und
eingeteilt werden. Die Massivdrahtelektrode kann auch gesondert nach ihrer chemischen Zusammensetzung
eingeteilt werden.
Diese Norm enthält eine gemeinsame Spezifikation zur Einteilung entweder nach der Streckgrenze und der
durchschnittlichen Kerbschlagarbeit von 47 J des reinen Schweißgutes oder nach der Zugfestigkeit und der
durchschnittlichen Kerbschlagarbeit von 27 J des reinen Schweißgutes.
a) Abschnitte, Unterabschnitte und Tabellen, gekennzeichnet durch ein nachgestelltes „A“, gelten nur für
Massivdrahtelektroden, Fülldrahtelektroden und reines Schweißgut, die nach der Streckgrenze und der
durchschnittlichen Kerbschlagarbeit von 47 J des reinen Schweißgutes eingeteilt werden, das mit einer
Draht-Pulver-Kombination nach dieser Internationalen Norm hergestellt wurde.
b) Abschnitte, Unterabschnitte und Tabellen, gekennzeichnet durch ein nachgestelltes „B“, gelten nur für
Massivdrahtelektroden, Fülldrahtelektroden und reines Schweißgut, die nach der Zugfestigkeit und der
durchschnittlichen Kerbschlagarbeit von 27 J des reinen Schweißgutes eingeteilt werden, das mit einer
Draht-Pulver-Kombination nach dieser Internationalen Norm hergestellt wurde.
c) Abschnitte, Unterabschnitte und Tabellen, die kein nachgestelltes „A“ oder „B“ enthalten, gelten für alle
Massivdrahtelektroden, Fülldrahtelektroden und Draht-Pulver-Kombinationen, die nach dieser Internationalen
Norm eingeteilt werden.
Zum Vergleich enthalten einige Tabellen Anforderungen für Elektroden, die nach beiden Systemen eingeteilt
sind, wobei die einzelnen Elektroden der zwei Systeme, die ähnliche chemische Zusammensetzungen und
Eigenschaften aufweisen, in aneinander angrenzenden Zeilen in der jeweiligen Tabelle aufgeführt sind. In
einer solchen Tabellenzeile, die für ein System normative Festlegungen enthält, erfolgt in Klammern die
Angabe des Kurzzeichens für eine ähnliche Elektrode des anderen Systems. Durch eine geeignete
Eingrenzung der Rezeptur einer bestimmten Elektrode ist es häufig — jedoch nicht immer — möglich, eine
Elektrode herzustellen, die nach beiden Systemen eingeteilt werden kann. In diesem Fall darf die Elektrode
oder deren Verpackung mit der Einteilung eines der beiden Systeme oder beider Systeme gekennzeichnet
werden.
Produits consommables pour le soudage - Fils-électrodes pleins, fils-électrodes fourrés et couples électrodes-flux pour le soudage à l'arc sous flux des aciers à haute résistance - Classification (ISO 26304:2011)
L'ISO 26304:2011 spécifie les exigences relatives à la classification des fils-électrodes pleins, des fils-électrodes fourrés et des couples fils-flux (dépôts en métal fondu hors dilution) à l'état brut de soudage ou après traitement thermique après soudage des aciers à haute résistance ayant une limite d'élasticité minimale supérieure à 500 MPa ou une résistance à la traction minimale supérieure à 570 MPa. Un flux peut être soumis à essai et être classifié avec différents fils-électrodes. Un fil-électrode peut être soumis à essai et être classifié avec différents flux. Le fil-électrode plein est également classifié séparément d'après sa composition chimique.
L'ISO 26304:2011 constitue une spécification mixte permettant une classification utilisant un système basé soit sur la limite d'élasticité et l'énergie de rupture moyenne de 47 J pour le métal fondu hors dilution, soit sur la résistance à la traction et l'énergie de rupture moyenne de 27 J pour le métal fondu hors dilution.
a) Les articles, les paragraphes et les tableaux qui portent le suffixe «A» ne sont applicables qu'aux fils-électrodes pleins, aux fils-électrodes fourrés et dépôts en métal fondu hors dilution classifiés d'après le système basé sur la limite d'élasticité et l'énergie de rupture moyenne de 47 J pour le métal fondu hors dilution obtenu avec des couples fils-flux conformément à l'ISO 26304:2011.
b) Les articles, les paragraphes et les tableaux qui portent le suffixe «B» ne sont applicables qu'aux fils-électrodes pleins, aux fils-électrodes fourrés et dépôts en métal fondu hors dilution classifiés d'après le système basé sur la résistance à la traction et l'énergie de rupture moyenne de 27 J pour le métal fondu hors dilution obtenu avec des couples fils-flux conformément à l'ISO 26304:2011.
c) Les articles, les paragraphes et les tableaux qui ne portent ni le suffixe «A» ni le suffixe «B» sont applicables à tous les fils-électrodes pleins, fils-électrodes fourrés et couples fil-flux classifiés conformément à l'ISO 26304:2011.
À des fins de comparaison, certains tableaux comportent des exigences pour des électrodes classifiées selon les deux systèmes, en plaçant des électrodes individuelles issues des deux systèmes, semblables en composition et en propriétés, sur des lignes adjacentes du tableau particulier. Sur une ligne particulière du tableau, obligatoire pour un système, le symbole pour l'électrode semblable dans l'autre système est indiqué entre parenthèses. Selon une restriction appropriée de la formulation d'une électrode particulière, il est souvent mais pas toujours possible de produire une électrode qui peut être classifiée selon les deux systèmes, auquel cas l'électrode, ou son emballage, peut être marquée avec la classification de l'un ou l'autre système.
Dodajni in potrošni materiali za varjenje - Žice, strženske žice in kombinacije žic in praškov za varjenje visokotrdnih jekel po EPP - Razvrstitev (ISO 26304:2011)
Ta mednarodni standard določa zahteve za razvrstitev žic, strženskih žic in kombinacije žic/praškov (depozitov čistega vara) v varjenem stanju in s toplotno obdelavo po varjenju pri obločnem varjenju visokotrdnih jekel z minimalno mejo prožnosti nad 500 MPa ali minimalno natezno trdnostjo nad 570 MPa. En prašek je lahko preskušen in razvrščen z različnimi žicami. Ena žica je lahko preskušena in razvrščena z različnimi praški. Žica se razvrsti tudi ločeno na osnovi kemične sestave. Ta mednarodni standard predstavlja kombinirano specifikacijo, ki omogoča klasifikacijo z uporabo sistema na osnovi meje prožnosti in povprečne udarne energije čistega vara 47 J ali z uporabo sistema na osnovi natezne trdnosti in povprečne udarne energije čistega vara 27 J. a) Točke, podtočke in preglednice, ki so označene z dodatno črko A, veljajo le za žice, strženske žice in depozite čistega vara, razvrščene po sistemu na osnovi meje prožnosti in povprečne udarne energije čistega vara 47 J, dobljene s kombinacijami žic/praškov v skladu s tem mednarodnim standardom. b) Točke, podtočke in preglednice, ki so označene z dodatno črko B, veljajo le za žice, strženske žice in depozite čistega vara, razvrščene po sistemu na osnovi natezne trdnosti in povprečne udarne energije čistega vara 27 J, dobljene s kombinacijami žic/praškov v skladu s tem mednarodnim standardom. c) Točke, podtočke in preglednice brez dodatne črke A ali B veljajo za vse žice, strženske žice in kombinacije žic/praškov, razvrščene v skladu s tem mednarodnim standardom. V primerjalne namene nekatere preglednice vključujejo zahteve za žice, razvrščene v skladu z obema sistemoma, pri čemer so posamezne žice iz obeh sistemov, podobne po sestavi in lastnostih, v preglednici navedene v sosednjih vrsticah. V določeni vrstici preglednice, ki je obvezna v enem sistemu, je v oklepaju naveden simbol za podobno žico iz drugega sistema. Z ustrezno omejitvijo formulacije določene žice je pogosto, a ne vedno, mogoče narediti žico, ki se lahko uvrsti v oba sistema, in v tem primeru se žica ali njena embalaža lahko označi po klasifikaciji enega ali obeh sistemov.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2011
1DGRPHãþD
Dodajni in potrošni materiali za varjenje - Žice, strženske žice in kombinacije žic in
praškov za varjenje visokotrdnih jekel po EPP - Razvrstitev (ISO 26304:2011)
Welding consumables - Solid wire electrodes, tubular cored electrodes and electrode-flux
combinations for submerged arc welding of high strength steels - Classification (ISO
26304:2011)
Schweißzusätze - Massivdrahtelektroden, Fülldrahtelektroden und Draht-Pulver-
Kombinationen zum Unterpulverschweißen von hochfesten Stählen - Einteilung (ISO
26304:2011)
Produits consommables pour le soudage - Fils-électrodes pleins, fils-électrodes fourrés
et couples électrodes-flux pour le soudage à l'arc sous flux des aciers à haute résistance
- Classification (ISO 26304:2011)
Ta slovenski standard je istoveten z: EN ISO 26304:2011
ICS:
25.160.20 Potrošni material pri varjenju Welding consumables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 26304
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2011
ICS 25.160.20 Supersedes EN ISO 26304:2009
English Version
Welding consumables - Solid wire electrodes, tubular cored
electrodes and electrode-flux combinations for submerged arc
welding of high strength steels - Classification (ISO 26304:2011)
Produits consommables pour le soudage - Fils-électrodes Schweißzusätze - Massivdrahtelektroden,
pleins, fils-électrodes fourrés et couples électrodes-flux Fülldrahtelektroden und Draht-Pulver-Kombinationen zum
pour le soudage à l'arc sous flux des aciers à haute Unterpulverschweißen von hochfesten Stählen - Einteilung
résistance - Classification (ISO 26304:2011) (ISO 26304:2011)
This European Standard was approved by CEN on 11 July 2011.
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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 26304:2011: E
worldwide for CEN national Members.
Contents Page
Foreword .3
Foreword
This document (EN ISO 26304:2011) 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 February 2012, and conflicting national standards shall be withdrawn
at the latest by February 2012.
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 ISO 26304:2009.
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, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 26304:2011 has been approved by CEN as a EN ISO 26304:2011 without any modification.
INTERNATIONAL ISO
STANDARD 26304
Second edition
2011-08-01
Welding consumables — Solid wire
electrodes, tubular cored electrodes and
electrode-flux combinations for
submerged arc welding of high strength
steels — Classification
Produits consommables pour le soudage — Fils-électrodes pleins, fils-
électrodes fourrés et couples électrodes-flux pour le soudage à l'arc
sous flux des aciers à haute résistance — Classification
Reference number
ISO 26304:2011(E)
©
ISO 2011
ISO 26304:2011(E)
© ISO 2011
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
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Published in Switzerland
ii © ISO 2011 – All rights reserved
ISO 26304:2011(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Classification .2
4 Symbols and requirements .3
4.1 Symbol for the product or process .3
4.2 Symbols for the tensile properties of the all-weld metal deposit.3
4.3 Symbol for the impact properties of the all-weld metal .4
4.4 Symbol for the type of welding flux.5
4.5 Symbol for the chemical composition of solid wire electrodes and of the all-weld metal
from tubular cored electrode-flux combinations .5
4.6 Symbol for the post-weld heat treatment.11
4.7 Symbol for hydrogen content of deposited metal .12
5 Mechanical tests.13
5.1 Tensile and impact tests.13
5.2 Preheating and interpass temperature.13
5.3 Welding conditions and pass sequence.13
6 Chemical analysis .14
7 Rounding procedure .14
8 Retests.15
9 Technical delivery conditions .15
10 Examples of designation .15
Annex A (informative) Possible risk of weld metal hydrogen cracking .17
Bibliography.18
ISO 26304:2011(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 26304 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee
SC 3, Welding consumables.
This second edition cancels and replaces the first edition (ISO 26304:2008), of which it constitutes a minor
revision. It also incorporates the Technical Corrigendum ISO 26304:2008/Cor.1:2009.
Requests for official interpretations of any aspect of this International Standard should be directed to the
Secretariat of ISO/TC 44/SC 3 via your national standards body. A complete listing of these bodies can be
found at www.iso.org.
iv © ISO 2011 – All rights reserved
ISO 26304:2011(E)
Introduction
This International Standard recognizes that there are two somewhat different approaches in the global market
to classifying a given wire electrode, tubular cored electrode, and electrode-flux combination, and allows for
either or both to be used, to suit a particular market need. Application of either type of classification
designation (or of both where suitable) identifies a product as classified in accordance with this International
[3]
Standard. The classification in accordance with system A is mainly based on EN 14295 . The classification in
accordance with system B is mainly based upon standards used around the Pacific Rim. Future revisions aim
to merge the two approaches into a single classification system.
This International Standard provides a classification for the designation of solid wire electrodes in terms of
their chemical composition, tubular cored electrodes in terms of the deposit composition obtained with a
particular submerged arc flux, and, where required, electrode-flux combinations in terms of the yield strength,
tensile strength, elongation, and impact properties of the all-weld metal deposit. The ratio of yield to tensile
strength of weld metal is generally higher than that of parent material. Users should note that matching weld
metal yield strength to parent metal yield strength does not necessarily ensure that the weld metal tensile
strength matches that of the parent material. Thus, where the application requires matching tensile strength,
selection of the consumable should be made by reference to column 3 of Table 1A or Table 1B, as
appropriate.
Although combinations of electrodes and fluxes supplied by individual companies may have the same
classification, the combination of an electrode with a flux from one manufacturer versus the flux from another
manufacturer, both fluxes having the same classification, may not be interchangeable unless verified in
accordance with this International Standard. Two tubular cored wires of the same classification may likewise
produce different results with the same flux.
The mechanical properties of the all-weld metal test specimens used to classify the electrode-flux
combinations vary from those obtained in production joints because of differences in welding procedures such
as electrode size, width of weave, welding position, and material composition.
INTERNATIONAL STANDARD ISO 26304:2011(E)
Welding consumables — Solid wire electrod
...
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