BS EN ISO 1071-2015 Welding consumables Covered electrodes wires rods and tubular cored electrodes for fusion welding of cast iron Classification《焊接耗材 铸铁熔焊用药皮(涂料)电焊条、焊丝、焊棒和管状焊条 分类》.pdf

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1、BSI Standards PublicationBS EN ISO 1071:2015Welding consumables Covered electrodes, wires, rodsand tubular cored electrodesfor fusion welding of cast iron ClassificationBS EN ISO 1071:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 1071:2015.It is identica

2、l to EN ISO 1071:2015. It supersedes BS EN ISO 1071:2003 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee WEE/39, Welding consumables.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does

3、 not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83846 0 ICS 25.160.20 Compliance with a British Standard cannot confer immunity from leg

4、al obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2015.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN ISO 1071 December 2015 ICS 25.160.20 Supersede

5、s EN ISO 1071:2003English Version Welding consumables - Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron - Classification (ISO 1071:2015) Produits consommables pour le soudage - Electrodes enrobes, fils dapport, baguettes et fils fourrs pour le soudage par

6、 fusion de la fonte - Classification (ISO 1071:2015) Schweizustze - Umhllte Stabelektroden, Drhte, Stbe und Flldrahtelektroden zum Schmelzschweien von Gusseisen - Einteilung (ISO 1071:2015) This European Standard was approved by CEN on 15 August 2015. CEN members are bound to comply with the CEN/CEN

7、ELEC 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

8、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 of

9、ficial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherland

10、s, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of

11、 exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 1071:2015 EBS EN ISO 1071:2015EN ISO 1071:2015 (E) 3 European foreword This document (EN ISO 1071:2015) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes“ in collabo

12、ration with Technical Committee CEN/TC 121 “Welding and allied processes” 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 June 2016, and conflicting nation

13、al standards shall be withdrawn at the latest by June 2016. 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 E

14、N ISO 1071:2003. 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, Former Yugoslav Republic of Maced

15、onia, France, Germany, Greece, 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 1071:2015 has been approved by CEN

16、as EN ISO 1071:2015 without any modification. BS EN ISO 1071:2015ISO 1071:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Classification 13.1 Wire electrodes and rods . 13.2 Tubular cored electrodes . 13.3 Covered electrodes 23.4 Tubular cored and covered electrodes . 24 Symbols

17、 and requirements 24.1 Symbols for the product form 24.2 Symbol for the type of alloy . 24.3 Symbol for the chemical composition . 24.3.1 General 24.3.2 Consumables producing similar weld metal . 24.3.3 Consumables producing dissimilar weld metal 34.4 Symbol for shielding gas (tubular cored electrod

18、e) . 34.5 Symbols for effective electrode efficiency and type of current (covered electrode) 75 Mechanical tests 76 Chemical analysis . 77 Rounding procedure . 78 Retests . 89 Technical delivery conditions . 810 Designation 8Annex A (informative) Description of the consumable 10Annex B (informative)

19、 Expected minimum values for strength and elongation of dissimilar all-weld metal in tensile test .14Bibliography .15 ISO 2015 All rights reserved iiiContents PageBS EN ISO 1071:2015ISO 1071:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national

20、 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. Internationa

21、l 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.The procedures used to develop this document and those intended fo

22、r its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.or

23、g/directives).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. Details of any patent rights identified during the development of the document will be

24、in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions r

25、elated to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 44, Welding and allied processes, Subcommittee

26、SC 3, Welding consumables.This third edition cancels and replaces the second edition (ISO 1071:2003), which has been technically revised.iv ISO 2015 All rights reservedBS EN ISO 1071:2015ISO 1071:2015(E)IntroductionThis International Standard classifies welding consumables for fusion welding of vari

27、ous types of unalloyed cast irons.Applications for welding consumables classified to this International Standard: production welding, that means welding of cast materials during the process of production. In that way, the quality of the casting shall be ensured in accordance with the guaranteed prop

28、erties and to the requirements of the application; repair welding of castings which are damaged during service; welding for construction purposes where cast irons are joined to themselves or to other ferrous or non-ferrous metals.The following methods are used for the welding of cast irons: using a

29、welding consumable which produces a weld metal similar to the parent metal. High preheating is required (typical temperature range 550 C to 650 C); using a welding consumable which produces a weld metal dissimilar to the parent metal. No or only low preheating is required.This International Standard

30、 contains different types of welding consumables because the chemical composition of welding rods and wire electrodes, as well as the all-weld metal of the corresponding covered electrodes and tubular cored electrodes, is similar.Additionally, to the welding consumables specified in this Internation

31、al Standard, consumables classified to other standards can be used (see Annex A). ISO 2015 All rights reserved vBS EN ISO 1071:2015BS EN ISO 1071:2015Welding consumables Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron Classification1 ScopeThis Internation

32、al Standard specifies requirements for classification of covered electrodes for manual metal arc welding, wire electrodes for metal arc welding, tubular cored electrodes for metal arc welding with and without a gas shield, rods for TIG-welding, and rods for oxy-fuel gas welding of unalloyed cast iro

33、ns. Classification is based on the chemical composition of wires and rods and on the all-weld metal deposit for tubular cored and covered electrodes.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applicati

34、on. 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 product, dimensions, tolerances and ma

35、rkingsISO 2401, Covered electrodes Determination of the efficiency, metal recovery and deposition coefficientISO 6847, Welding consumables Deposition of a weld metal pad for chemical analysisISO 14175, Welding consumables Gases and gas mixtures for fusion welding and allied processesISO 80000-1:2009

36、, Quantities and units Part 1: General. Corrected by ISO 80000-1:2009/Cor 1:20113 Classification3.1 Wire electrodes and rodsFor wire electrodes and rods classified in accordance with their chemical composition (see Table 2 and Table 3), the classification is divided into three parts.a) The first par

37、t gives a symbol indicating the product to be identified.b) The second part indicates the type of alloy (C for cast iron).c) The third part gives a symbol indicating the chemical composition of the wire electrode or of the rod.3.2 Tubular cored electrodesFor tubular cored electrodes classified in ac

38、cordance with the all-weld metal chemical composition produced with an appropriate shielding gas, the classification is divided into four parts.a) The first part gives a symbol indicating the product to be identified.b) The second part indicates the type of alloy (C for cast iron).c) The third part

39、gives a symbol indicating the chemical composition of the all-weld metal.d) The fourth part gives a symbol indicating the shielding gas.INTERNATIONAL STANDARD ISO 1071:2015(E) ISO 2015 All rights reserved 1BS EN ISO 1071:2015ISO 1071:2015(E)3.3 Covered electrodesFor covered electrodes classified in

40、accordance with the all-weld metal chemical composition, the classification is based on an electrode diameter of 4 mm. The classification is divided into four parts.a) The first part gives a symbol indicating the product to be identified.b) The second part indicates the type of alloy (C for cast iro

41、n).c) The third part gives a symbol indicating the chemical composition of the all-weld metal.d) The fourth part gives a symbol indicating the effective electrode efficiency and the type of current.3.4 Tubular cored and covered electrodesThe following classification of tubular cored and covered elec

42、trodes is split into two sections.a) Compulsory sectionThis section includes the symbol for the type of product, type of alloy, the chemical composition, and the shielding gas as defined in 4.1, 4.2, 4.3, and 4.4. b) Optional sectionThis section includes the symbol for the effective electrode effici

43、ency and/or type of current for which the consumable is suitable as defined in 4.5.The full designation (see examples in Clause 10) shall be used on packages and in the manufacturers literature and data sheets.4 Symbols and requirements4.1 Symbols for the product formThe symbol for the covered elect

44、rode shall be the letter E.The symbol for the solid wire and rod shall be the letter S and the symbol for the tubular cored wire shall be T.The symbol for the cast rod shall be R.4.2 Symbol for the type of alloyThe symbol C as the second symbol shall be used to indicate the welding of cast iron as t

45、he main application.4.3 Symbol for the chemical composition4.3.1 GeneralThe symbols in Table 2 and Table 3 indicate the chemical composition of rods and wire electrodes, as well as the chemical composition of the all-weld metal of covered electrodes and tubular cored electrodes in accordance with Cl

46、ause 6.A distinction has to be made between consumables producing similar and dissimilar weld metal.4.3.2 Consumables producing similar weld metalThe consumables in this group are classified in accordance with the alloy type in Table 1. The symbols in Table 2 indicate the chemical composition of sim

47、ilar rods and similar all-weld metal of covered electrodes and tubular cored electrodes. The description of each consumable and examples for their application are given in Annex A.2 ISO 2015 All rights reservedBS EN ISO 1071:2015ISO 1071:2015(E)Table 1 Welding consumables producing weld metal simila

48、r to parent metalSymbol Microstructure Product formaFeC-1blamellar graphite E, RFeC-2clamellar graphite E, TFeC-3 lamellar graphite E, TFeC-4 lamellar graphite RFeC-5 lamellar graphite RFeC-GF ferritic microstructure, spheroidal graphite E, TFeC-GP1 pearlitic microstructure, spheroidal graphite RFeC

49、-GP2 pearlitic microstructure, spheroidal graphite E, TaSee 4.1.bCovered electrode with core rod of cast iron.cCovered electrode with core rod of unalloyed steel.4.3.3 Consumables producing dissimilar weld metalThe consumables in this group are classified in accordance with the chemical composition of the wire electrode or of the all-weld metal of the covered electrode and of the tubular cored electrode (see Table 3). The description of each consumable and examples for their application are given in Annex A.4.4 Symbol for shiel

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