DIN EN ISO 14174-2012 Welding consumables - Fluxes for submerged arc welding and electroslag welding - Classification (ISO 14174 2012) German version EN ISO 14174 2012《焊料 埋弧焊和电渣焊用焊.pdf

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1、May 2012 Translation by DIN-Sprachendienst.English price group 12No 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 25

2、.160.20!$|$“1890196www.din.deDDIN EN ISO 14174Welding consumables Fluxes for submerged arc welding and electroslag welding Classification (ISO 14174:2012)English translation of DIN EN ISO 14174:2012-05Schweizustze Pulver zum Unterpulverschweien und Elektroschlackeschweien Einteilung (ISO 14174:2012)

3、Englische bersetzung von DIN EN ISO 14174:2012-05Produits consommables pour le soudage Flux pour le soudage larc sous flux et le soudage sous laitier Classification (ISO 14174:2012)Traduction anglaise de DIN EN ISO 14174:2012-05SupersedesDIN EN 760:1996-05www.beuth.deDocument comprises 21 pagesIn ca

4、se of doubt, the German-language original shall be considered authoritative.04.12 DIN EN ISO 14174:2012-05 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes”, (Secetariat: AFNOR, France) in collab

5、oration with Technical Committee CEN/TC 121 “Welding” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Schweien und verwandte Verfahren (Welding and allied processes Standards Committee), Working Committee NA 092-00-03 AA Schweizustze (DVS

6、AG W 5). The DIN Standards corresponding to the International Standards referred to in the EN are as follows: ISO 3690 DIN EN ISO 3690 ISO 14171 DIN EN ISO 14171 ISO 14343 DIN EN ISO 14343 Amendments This standard differs from DIN EN 760:1996-05 as follows: a) the scope of the standard has been exte

7、nded to include tubular cored electrodes; b) Subclause 4.3 has been extended; c) three further fluxes have been added in Table 1; d) the previous Clause 11 has been revised and included here as Annex A; e) Annex B has been completely revised. Previous editions DIN 8557: 1961-08 DIN 8557-1: 1981-04 D

8、IN 32522: 1981-04 DIN EN 760: 1996-05 National Annex NA (informative) Bibliography DIN EN ISO 3690, Welding and allied processes Determination of hydrogen content in ferritic arc weld metal DIN EN ISO 14171, Welding consumables Solid wire electrodes, tubular cored electrodes and electrode/flux combi

9、nations for submerged arc welding of non alloy and fine grain steels Classification DIN EN ISO 14343, Welding consumables Wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat resisting steels Classification EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1

10、4174 February 2012 ICS 25.160.20 Supersedes EN 760:1996English Version Welding consumables - Fluxes for submerged arc welding and electroslag welding - Classification (ISO 14174:2012) Produits consommables pour le soudage - Flux pour le soudage larc sous flux et le soudage sous laitier - Classificat

11、ion (ISO 14174:2012) Schweizustze - Pulver zum Unterpulverschweien und Elektroschlackeschweien - Einteilung (ISO 14174:2012) This European Standard was approved by CEN on 28 January 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giv

12、ing 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 off

13、icial 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 o

14、f 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, Turkey and United

15、 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14174:2012

16、: EContents PageForeword .Introduction 1 Scope 2 Normative references .3 Classification 4 Symbols .4.1 Symbol for the product/process .4.2 Symbol for method of manufacture4.3 Symbol for type of flux, characteristic chemical constituents .4.4 Symbol for applications, flux class 4.5 Symbol for metallu

17、rgical behaviour .4.6 Symbol for type of current 4.7 Symbol for diffusible hydrogen content in deposited weld metal (class 1 fluxes only) .5 Particle size range 6 Rounding procedure .7 Retest 8 Technical delivery conditions 9 Marking .10 Designation .Annex A (informative) Characteristic chemical con

18、stituents of flux Determination from elemental analysis .Annex B (informative) Description of flux types Bibliography .EN ISO 14174:2012 (E) DINEN ISO 14174:2012-052345556666681011111212121213141619Foreword This document (EN ISO 14174:2012) has been prepared by Technical Committee ISO/TC 44 “Welding

19、 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 August 2012, and conf

20、licting national standards shall be withdrawn at the latest by August 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 docum

21、ent supersedes EN 760:1996. 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, Greec

22、e, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 14174:2012 has been approved by CEN as a EN ISO 14174:2012 with

23、out any modification. EN ISO 14174:2012 (E) DINEN ISO 14174:2012-053 IntroductionThis International Standard is based on EN 760:19961.EN ISO 14174:2012 (E) DINEN ISO 14174:2012-0541 ScopeThis International Standard specifies requirements for classification of fluxes for submerged arc welding and ele

24、ctroslag welding for joining and overlay welding using wire electrodes, tubular cored electrodes, and strip electrodes.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated re

25、ferences, the latest edition of the referenced document (including any amendments) applies.ISO 3690, Welding and allied processes Determination of hydrogen content in arc weld metalISO 14171, Welding consumables Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for subm

26、erged arc welding of non alloy and fine grain steels ClassificationISO 14343, Welding consumables Wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat resisting steels ClassificationISO 80000-1:2009, Quantities and units Part 1: General3 ClassificationFluxes for su

27、bmerged arc welding and electroslag welding for joining and overlay welding are granular, fusible products of mainly mineral origin, which are manufactured by various methods. Fluxes influence the chemical composition and the mechanical properties of the weld metal.The classification of the fluxes i

28、s divided into seven parts:1) the first part gives a symbol indicating the product/process (see 4.1);2) the second part gives a symbol indicating the method of manufacture (see 4.2);3) the third part gives a symbol indicating the type of flux, characteristic chemical constituents (see Table 1);4) th

29、e fourth part gives a symbol indicating the applications, flux class (see 4.4);5) the fifth part gives a symbol indicating the metallurgical behaviour (see 4.5);6) the sixth part gives a symbol indicating the type of current (see 4.6);7) the seventh part gives a symbol indicating the diffusible hydr

30、ogen content of deposited weld metal (see Table 6) only applicable for class 1 fluxes.In order to promote the use of this International Standard, the classification is divided into two sections.a) Compulsory section.This section includes the symbols for process, method of manufacture, characteristic

31、 chemical constituents, and applications, i.e. the symbols defined in 4.1, 4.2, 4.3, and 4.4.b)Optional section.EN ISO 14174:2012 (E) DINEN ISO 14174:2012-055 This section includes the symbols for the metallurgical behaviour, type of current, and diffusible hydrogen, i.e. the symbols defined in 4.5,

32、 4.6, and 4.7.4 Symbols4.1 Symbol for the product/processThe symbol for the flux used in submerged arc welding for joining and overlay welding shall be the letter S and for the flux used in electroslag welding for joining and overlay welding shall be the letters ES.4.2 Symbol for method of manufactu

33、reThe symbol below indicates the method of manufacture: F: fused flux; A: agglomerated flux; M: mixed flux.Fused fluxes are made by melting and granulating. Agglomerated fluxes are bound, granular mixtures of finer raw materials. Mixed fluxes comprise all fluxes which, after fusing or agglomerating,

34、 are mixed with one or more additional components or fluxes.For particle size requirements in marking, see Clause 5.4.3 Symbol for type of flux, characteristic chemical constituentsThe symbols in Table 1 indicate the type of flux in accordance with the characteristic chemical constituents. Elemental

35、 analysis shall be performed on representative samples of the flux. Any suitable analytical technique may be used, but in cases of dispute reference shall be made to established methods. Based on the elemental analysis of the flux, the characteristic chemical constituents of the flux can be determin

36、ed.Examples of such determinations are shown in Annex A.4.4 Symbol for applications, flux class4.4.1 GeneralA given flux may carry more than one class as specified in 4.4.2 to 4.4.5.4.4.2 Flux class 1These are fluxes for submerged arc welding of non alloy and fine grain steels, high-strength steels,

37、 creep-resisting steels, and atmospheric corrosion-resisting steels.In general, the fluxes do not contain alloying elements, other than Mn and Si, thus the weld metal analysis is predominantly influenced by the composition of the wire/strip electrode and metallurgical reactions. The fluxes are suita

38、ble for joint welding and/or overlay welding. In the case of joint welding, some fluxes can be applied for both multi-run and single-run and/or two-run technique.In the flux designation, the digit 1 indicates class 1.EN ISO 14174:2012 (E) DINEN ISO 14174:2012-056Table 1 Symbol for type of flux, char

39、acteristic chemical constituentsabSymbol (description)Characteristic chemical constituentsLimit of constituent % (by mass)MS (Manganese-silicate)MnO + SiO2CaO50 15CS (Calcium-silicate)CaO + MgO + SiO2CaO + MgO55 15CG (Calcium-magnesium)CaO + MgO CO2Fe5 to 50 2 10CB (Calcium-magnesium basic)CaO + MgO

40、 CO2Fe30 to 80 2 10CG-I (Calcium-magnesium with iron)CaO + MgO CO2Fe5 to 45 2 15 to 60CB-I (Calcium-magnesium basic with iron)CaO + MgO CO2Fe10 to 70 2 15 to 60GS (Magnesium-silicate)MgO + SiO2Al2O3CaO + CaF242 20 14ZS (Zirconium-silicate)ZrO2+ SiO2 + MnO ZrO245 15RS (Rutile-silicate)TiO2+ SiO2TiO25

41、0 20AR (Aluminate-rutile)Al2O3+ TiO240BA (Basic-alumina)Al2O3+ CaF2+ SiO2CaO SiO255 8 20AAS (Acid-aluminium-silicate)Al2O3+ SiO2CaF2+ MgO50 20AB (Aluminate-basic)Al2O3+ CaO + MgO Al2O3CaF240 20 22AS (Aluminate-silicate)Al2O3+ SiO2+ ZrO2CaF2+ MgO ZrO240 30 5AF (Aluminate-fluoride-basic)Al2O3+ CaF270F

42、B (Fluoride-basic)CaO + MgO + CaF2+ MnO SiO2CaF250 20 15ZcAny other agreed compositionaCalculations are made as shown in Annex A.bA description of the characteristics of each of the types of flux is given in Annex B.cFluxes for which the chemical composition is not listed shall be symbolized similar

43、ly and prefixed by the letter Z. The chemical composition ranges are not specified and it is possible that two fluxes with the same Z classification are not interchangeable.EN ISO 14174:2012 (E) DINEN ISO 14174:2012-057 4.4.3 Flux classes 2 and 2BThese are fluxes for joint welding of stainless and h

44、eat-resisting steels and/or nickel and nickel alloys and corrosion-resistant overlay welding1). Fluxes of these classes can contain alloying elements compensating for the burn-out.In the flux designation, the digit 2 is used to indicate class 2 fluxes mainly suited for joint welding, but which can a

45、lso be used for strip cladding. 2B is used for fluxes especially designed for strip cladding.4.4.4 Flux class 3These are fluxes mainly for hardfacing overlay welding by transfer of alloying elements from the flux, such as C, Cr or Mo.In the flux designation, the digit 3 indicates class 3.4.4.5 Flux

46、class 4These are other fluxes for which classes 1 to 3 are not applicable, e.g. fluxes for copper alloys.In the flux designation, the digit 4 indicates class 4.4.5 Symbol for metallurgical behaviour4.5.1 GeneralThe metallurgical behaviour of a flux is characterized by the contribution (pick-up and/o

47、r burn-out) of alloying elements. Concerning fluxes for joining, the contribution is the difference between the chemical composition of the all-weld metal deposit and the composition of the specified electrode. Concerning fluxes for overlay welding, the contribution is the difference between the chemical composition of the deposited weld metal of the last bead/layer and the chemical composition of the specified wire/strip electrode.4.5.1.1 Metallurgical behaviour, flux class 1For determining the pick-up and burn-out behaviour, a wire