DIN EN ISO 14341-2011 Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification (ISO 14341 2010.pdf

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1、April 2011 Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS

2、25.160.20!$nmw“1757484www.din.deDDIN EN ISO 14341Welding consumables Wire electrodes and weld deposits for gas shielded metal arc welding ofnon alloy and fine grain steels Classification (ISO 14341:2010)English translation of DIN EN ISO 14341:2011-04Schweizustze Drahtelektroden und Schweigut zum Met

3、all-Schutzgasschweien von unlegiertenSthlen und Feinkornsthlen Einteilung (ISO 14341:2010)Englische bersetzung von DIN EN ISO 14341:2011-04Produits consommables pour le soudage Fils-lectrodes et mtaux dapport dposs en soudage larc sous protection gazeusedes aciers non allis et grains fins Classifica

4、tion (ISO 14341:2010)Traduction anglaise de DIN EN ISO 14341:2011-04SupersedesDIN EN ISO 14341:2008-08www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.03.11 20DIN EN ISO 14341:2011-04 A comma is used as the decimal marker. National

5、foreword This standard has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” (Secretariat: AFNOR, France) in collaboration with Technical Committee CEN/TC 121 “Welding” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenauss

6、chuss Schweitechnik (Welding Standards Committee), Working Committee NA 092-00-03 AA Schweizustze (DVS AG W 5). This International Standard is a “cohabitation standard” in which two different approaches to the same subject are specified, designated as “system A” and “system B”. System A classificati

7、on mainly reflects the European approach, while classification according to system B is mainly based on standards used around the Pacific Rim. It should be noted that, when using this standard, the classification system (A or B) according to which welding consumables are to be manufactured or suppli

8、ed must be laid down in advance. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 544 DIN EN ISO 544 ISO 13916 DIN EN ISO 13916 ISO 14175 DIN EN ISO 14175 ISO 14344 DIN EN ISO 14344 ISO 15792-1 DIN EN ISO 15792-1 Amendments This standard

9、 differs from DIN EN ISO 14341:2008-08 as follows: a) the content of International Standard ISO 14341:2010 has been adopted in full; b) Subclause 4.3B “Classification by tensile strength and 27 J impact energy” has been extended; c) Subclause 4.4 “Symbol for shielding gas” has been revised (the diff

10、erentiation between A and B is no longer made); d) symbols have been brought in line with ISO 14175:2008; e) footnotes and symbols in Tables 3A and 3B have been revised; f) a tolerance of the contact tube distance has been included in Table 5A; g) Clause 6 “Chemical analysis” has been rendered more

11、precise with regard to elements which do not change during production; h) Clause 7 “Rounding procedure” has been added. Previous editions DIN 8559: 1964-08 DIN 8559-1: 1976-06, 1984-07 DIN EN 440: 1994-11 DIN EN ISO 14341: 2008-08 2 DIN EN ISO 14341:2011-04 National Annex NA (informative) Bibliograp

12、hy DIN EN ISO 544, Welding consumables Technical delivery conditions for welding filler metals Type of product, dimensions, tolerances and marking DIN EN ISO 13916, Welding Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature DIN EN ISO 141

13、75, Welding consumables Gases and gas mixtures for fusion welding and allied processes DIN EN ISO 14344, Welding and allied processes Flux and gas shielded electrical welding processes Procurement guidelines for consumables DIN EN ISO 15792-1, Welding consumables Test methods Part 1: Test methods fo

14、r all-weld metal test specimens in steel, nickel and nickel alloys 3 DIN EN ISO 14341:2011-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14341 January 2011 ICS 25.160.20 Supersedes EN ISO 14341:2008English Version Welding consumables - Wire electrodes

15、 and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification (ISO 14341:2010) Produits consommables pour le soudage - Fils-lectrodes et mtaux dapport dposs en soudage larc sous protection gazeuse des aciers non allis et grains fins - Classification (ISO 1

16、4341:2010) Schweizustze - Drahtelektroden und Schweigut zum Metall-Schutzgasschweien von unlegierten Sthlen und Feinkornsthlen - Einteilung (ISO 14341:2010) This European Standard was approved by CEN on 25 December 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which

17、 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 Euro

18、pean 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 ar

19、e 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, Swede

20、n, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. R

21、ef. No. EN ISO 14341:2011: EContents Page Foreword 3 Introduction.4 1 Scope5 2 Normative references5 3 Classification .6 4 Symbols and requirements 6 4.1 Symbol for product/process 6 4.2 Symbol for strength and elongation of all-weld metal 7 4.3 Symbol for impact properties of all-weld metal . 4.4 S

22、ymbol for shielding gas8 4.5 Symbol for chemical composition of wire electrodes.8 5 Mechanical tests12 5.1 Preheating and interpass temperatures12 5.2 Welding conditions and pass sequence.13 5.3 Post-weld heat-treated (PWHT) condition.13 6 Chemical analysis .14 7 Rounding procedure .14 8 Retests14 9

23、 Technical delivery conditions 14 10 Examples of designation 15 EN ISO 14341:2011 (E) DIN EN ISO 14341:2011-04 27.Foreword The text of ISO 14341:2010 has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes” of the International Organization for Standardization (ISO) and has

24、been taken over as EN ISO 14341:2011 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 July 2011, and conflicting

25、 national standards shall be withdrawn at the latest by July 2011. 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 super

26、sedes EN ISO 14341:2008. 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,

27、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 14341:2010 has been approved by CEN as a EN ISO 14341:2011 without any mod

28、ification. EN ISO 14341:2011 (E) DIN EN ISO 14341:2011-04 3Introduction 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. Appl

29、ication of either type of classification designation (or both where suitable) identifies a product as classified in accordance with this International Standard. This International Standard provides a classification in order to designate wire electrodes in terms of their chemical composition and, whe

30、re required, in terms of the yield strength, tensile strength and elongation of the all-weld metal. The ratio of yield strength 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 do

31、es not necessarily ensure that the weld metal tensile strength matches that of the parent material. Therefore, where the application requires matching tensile strength, selection of the consumable should be made by reference to column 3 of Table 1A or 1B. It should be noted that the mechanical prope

32、rties of all-weld metal test specimens used to classify the electrodes 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. EN ISO 14341:2011 (E) DIN EN ISO 14341:2011-04 41 Scope

33、 This International Standard specifies requirements for classification of wire electrodes and weld deposits 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 a minimum yield strength of up to 500 MPa or a

34、 minimum tensile strength of up to 570 MPa. One wire electrode can be tested and classified with different shielding gases. This International Standard constitutes a combined specification providing classification utilizing a system based upon the yield strength and the average impact energy of 47 J

35、 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. a) Clauses 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 imp

36、act energy of 47 J of all-weld metal in accordance with this International Standard. b) Clauses 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 acco

37、rdance with this International Standard. c) Clauses 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 referenced documents are indispensab

38、le 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 544, Welding consumables Technical delivery conditions for filler materials and fluxes Type of

39、product, dimensions, tolerances and markings ISO 13916, Welding Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature ISO 14175:2008, Welding consumables Gases and gas mixtures for fusion welding and allied processes ISO 14344, Welding consu

40、mables Procurement of filler materials and fluxes 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 80000-1:2009, Quantities and units Part 1: General EN ISO 14341:2011 (E) DIN EN ISO 14341:2011-04 53 Clas

41、sification 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 a

42、ll, as will be clear from the following subclauses. In most cases, a given commercial product can be classified 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 T

43、able 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 impact energy The classification is divided into five parts: 1) the first part g

44、ives a symbol indicating theproduct/process to be identified; 2) the second part gives a symbol indicating thestrength and elongation of the all-weld metal(see Table 1A); 3) the third part gives a symbol indicating theimpact properties of the all-weld metal (seeTable 2); 4) the fourth part gives a s

45、ymbol indicating theshielding gas used (see 4.4); 5) the fifth part gives a symbol indicating thechemical composition of the wire electrode used(see Table 3A). 3B Classification by tensile strength and 27 J impact energy The classification is divided into five parts: 1) the first part gives a symbol

46、 indicating the product/process to be identified; 2) the second part gives a symbol indicating the strength and elongation of the all-weld metal in either the as-welded or post-weld heat-treated condition (see Table 1B); 3) the third part gives a symbol indicating the impact properties of the all-we

47、ld metal in the 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 shielding gas used (

48、see 4.4); 5) the fifth part gives a symbol indicating the chemical composition of the wire electrode used (see Table 3B). 4 Symbols and requirements 4.1 Symbol for product/process The symbol for a weld deposit produced by gas shielded metal arc welding shall be the letter G placed at the beginning o

49、f the designation. The symbol for a wire electrode for use in gas shielded metal arc welding shall be the letter G placed at the beginning of the wire electrode designation. EN ISO 14341:2011 (E) DIN EN ISO 14341:2011-04 64.2 Symbol for strength and elongation of all-weld metal 4.2A Classification by yield strength and 47 J impact energy The symbols in Table 1A indicate the yield strength,tensile strength, and elongation of the all-weld metal in the as-welded condition determined inaccordance with Clau

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