SIST EN 14295:2004
(Main)Welding consumables - Wire and tubular cored electrodes and electrode-flux combinations for submerged arc welding of high strength steels - Classification
Welding consumables - Wire and tubular cored electrodes and electrode-flux combinations for submerged arc welding of high strength steels - Classification
This standard specifies requirements for classification of electrode-flux combinations and all-weld metal in the as welded or stress relieved condition for submerged arc welding of steels with a minimum yield strength higher than 500 MPa. One flux may be classified with different electrodes. The wire electrode is also classified separately based on its chemical composition.
Schweißzusätze - Draht- und Fülldrahtelektroden und Drahtpulver-Kombinationen für das Unterpulverschweißen von hochfesten Stählen - Einteilung
Diese Norm legt Anforderungen für die Einteilung von Draht-/Fülldrahtpulver-Kombinationen sowie von reinem Schweißgut im Schweißzustand oder nach Spannungsarmglühen für das Unterpulverschweißen von Stählen mit einer Mindeststreckgrenze über 500 MPa fest. Ein Pulver kann mit verschiedenen Draht-/Fülldrahtelektroden eingestuft werden. Die Drahtelektrode kann auch gesondert nach ihrer chemischen Zusammensetzung eingeteilt werden.
Produits consommables pour le soudage - Fils-électrodes pleins et fils-électrodes fourrés et couples fils-flux pour le soudage sous flux des aciers a haute résistance - Classification
La présente norme spécifie les exigences relatives a la classification des couples fils-flux et du métal fondu hors dilution en soudage a l'arc sous flux pour l'état brut de soudage ou pour le traitement thermique de relaxation de contraintes des aciers a haute résistance ayant une limite d'élasticité minimale supérieure a 500 MPa. Un flux peut etre classifié avec différents fils-électrodes. Le fil-électrode est également classifié séparément d'apres sa composition chimique.
Dodajni materiali za varjenje - Žice in strženske žice in kombinacije žic in praškov za obločno varjenje visokotrdnostnih jekel po EPP - Razvrstitev
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Schweißzusätze - Draht- und Fülldrahtelektroden und Drahtpulver-Kombinationen für das Unterpulverschweißen von hochfesten Stählen - EinteilungProduits consommables pour le soudage - Fils-électrodes pleins et fils-électrodes fourrés et couples fils-flux pour le soudage sous flux des aciers a haute résistance - ClassificationWelding consumables - Wire and tubular cored electrodes and electrode-flux combinations for submerged arc welding of high strength steels - Classification25.160.20Potrošni material pri varjenjuWelding consumablesICS:Ta slovenski standard je istoveten z:EN 14295:2003SIST EN 14295:2004en01-junij-2004SIST EN 14295:2004SLOVENSKI
STANDARD
SIST EN 14295:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14295November 2003ICS 25.160.20English versionWelding consumables - Wire and tubular cored electrodes andelectrode-flux combinations for submerged arc welding of highstrength steels - ClassificationProduits consommables pour le soudage - Fils-électrodespleins et fils-électrodes fourrés et couples fils-flux pour lesoudage sous flux des aciers à haute résistance -ClassificationSchweißzusätze - Draht- und Fülldrahtelektroden undDrahtpulver-Kombinationen für das Unterpulverschweißenvon hochfesten Stählen - EinteilungThis European Standard was approved by CEN on 1 September 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14295:2003 ESIST EN 14295:2004
EN 14295:2003 (E)2ContentsPageForeword.31Scope.52Normative references.53Classification.54Symbols and requirements.64.1Symbol for the process.64.2Symbol for the tensile properties.64.3Symbol for the impact properties of all-weld metal.64.4Symbol for the type of welding flux.74.5Symbol for the chemical composition of wire electrodes or tubular cored electrode-fluxcombinations.84.6Symbol for the stress relief treatment.85Mechanical tests.115.1General.115.2Preheating and interpass temperatures.115.3Welding conditions.116Chemical analysis.117Technical delivery conditions.128Designation.12Bibliography.14SIST EN 14295:2004
EN 14295:2003 (E)3ForewordThis document (EN 14295:2003) has been prepared by Technical Committee CEN/TC 121 “Welding”, thesecretariat of which is held by DS.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, at the latest by May 2004, and conflicting national standards shall be withdrawn at thelatest by May 2004.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark,Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 14295:2004
EN 14295:2003 (E)4IntroductionThis standard proposes a classification in which solid wire electrodes are designated by the chemical compositionof the wire and wire-flux combinations in terms of the yield strength, tensile strength and elongation of the all-weldmetal. Tubular cored electrode-flux combinations are designated by the chemical composition, yield strength,tensile strength and elongation of the all-weld metal. The ratio of yield to tensile strength of weld metal is generallyhigher than that of parent metal. Users should note that matching weld metal yield strength to parent metal yieldstrength will not necessarily ensure that the weld metal tensile strength matches that of the parent material.Where the application requires matching tensile strength, therefore, selection of the consumable should be madeby reference to column 3 of Table 1.Although combinations of electrodes and fluxes supplied by individual companies may have the same grading,the individual electrodes and fluxes from different companies are not interchangeable unless verified according tothis standard.It should be noted that the mechanical properties of all-weld metal test specimens used to classify the electrode-flux combinations will vary from those obtained in production joints because of differences in welding proceduressuch as electrode size and material composition.SIST EN 14295:2004
EN 14295:2003 (E)51 ScopeThis standard specifies requirements for classification of electrode-flux combinations and all-weld metal in the aswelded or stress relieved condition for submerged arc welding of steels with a minimum yield strength higher than500 MPa. One flux may be classified with different electrodes. The wire electrode is also classified separatelybased on its chemical composition.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications.These normative references are cited at the appropriate places in the text and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publications apply tothis European Standard only when incorporated in it by amendment or revision. For undated references thelatest edition of the publication referred to applies (including amendments).EN 760, Welding consumables – Fluxes for submerged arc welding – Classification.EN 1597-1, Welding consumables – Test methods – Part 1: Test piece for all-weld metal test specimens insteel, nickel and nickel alloys.EN ISO 544, Welding consumables – Technical delivery conditions for welding filler metals – Type of product,dimensions, tolerances and markings (ISO 544:2003).EN ISO 6847, Welding consumables – Deposition of a weld metal pad for chemical analysis (ISO 6847:2000).EN ISO 13916, Welding – Guidance on the measurement of preheating temperature, interpass temperatureand preheat maintenance temperature (ISO 13916:1996).ISO 31-0:1992, Quantities and units – Part 0: General principles.3 ClassificationThe classification includes all-weld metal properties obtained with a manufacturer's specific electrode-fluxcombination as given below. A wire electrode may be separately classified with the symbol for its chemicalcomposition in Table 5.The classification is divided into six parts:a) first part gives a symbol indicating the process to be identified;b) second part gives a symbol indicating the tensile properties of all-weld metal;c) third part gives a symbol indicating the impact properties of all-weld metal;d) fourth part gives a symbol indicating the type of flux used;e) fifth part gives a symbol indicating the chemical composition of the wire electrode used, or the chemicalcomposition of the deposit in the case of tubular cored electrodes;f) sixth part gives a symbol indicating the stress relief treatment in case this is applied.SIST EN 14295:2
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