1、BRITISH STANDARD BS EN ISO 13919-2:2001 Incorporating Corrigendum No. 1 and Amendment No. 1 Welding Electron and laser beam welded joints Guidance on quality levels for imperfections Part 2: Aluminium and its weldable alloys The European Standard EN ISO 13919-2:2001, with the incorporation of amendm
2、ent A1:2003 has the status of a British Standard ICS 25.160.40 BS EN ISO 13919-2:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 25 Septem
3、ber 2001 BSI 6 February 2004 ISBN 0 580 34841 5 National foreword This British Standard is the official English language version of EN ISO 13919-2:2001, including amendment A1:2003. It is identical with ISO 13919-2:2001. The UK participation in its preparation was entrusted to Technical Committee WE
4、E/47, Miscellaneous welding standards, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be
5、 found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are
6、responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and k
7、eep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover. The BSI copyright date display
8、ed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 13516 Corrigendum No. 1 11 October 2001 Error in title on front cover corrected 14950 6 February 2004 Revision to Foreword page and deletion of Annex ZA EUROPEAN STANDARD NORME
9、 EUROPENNE EUROPISCHE NORM EN ISO 13919-2 September 2001 + A1 December 2003 ICS 25.160.10 English version Welding - Electron and laser beam welded joints - Guidance on quality levels for imperfections - Part 2: Aluminium and its weldable alloys (ISO 13919-2:2001) (includes amendment A1:2003) Soudage
10、 - Assemblages souds par faisceau dlectrons et par faisceau laser - Guide des niveaux de qualit des dfauts - Partie 2 : Aluminium et ses alliages soudables (ISO 13919-2:2001) (inclut lamendement A1:2003) Schweien - Elektronenstrahl- und Laserstrahl- Schweiverbindungen - Richtlinie fr Bewertungsgrupp
11、en fr Unregelmigkeiten - Teil 2: Aluminium und seine schweigeeigneten Legierungen (ISO 13919-2:2001) (enthlt nderung A1:2003) This European Standard was approved by CEN on 13 April 2000, and amendment A1 was approved by CEN on 20 November 2003. CEN members are bound to comply with the CEN/CENELEC In
12、ternal 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 Management Centre or to any CEN membe
13、r. 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 Management Centre has the same status as the official versions. CEN members ar
14、e 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 United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EU
15、ROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 13919-2:2001 + A1:2003 EINESO91931:2(1002E) 2 Contents Foreword3
16、1Scope5 2Normativereferences 5 3Symbols6 4Evaluationofwelds. 6 AnnexA(informative ).14 ENISO139192:2001 2 Foreword The text of EN ISO 13919-2:2001 has been prepared by Technical Committee CEN/TC 121 “Welding”, the secretariat of which is held by DS, in collaboration with Technical Committee ISO/TC 4
17、4 “Welding and allied processes”. 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 March 2002, and conflicting national standards shall be withdrawn at the latest by March 2002. This document has b
18、een prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Repu
19、blic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Foreword to amendment A1 This document EN ISO 13919-2:2001/A1:2003 has been prepared by Technical Committee CEN/TC 121 “Welding”, th
20、e secretariat of which is held by DS, in collaboration with Technical Committee ISO/TC 44 “Welding and allied processes”. This Amendment to the European Standard EN ISO 13919-2:2001 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the
21、 latest by June 2004, and conflicting national standards shall be withdrawn at the latest by June 2004. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN/CENELEC Internal Regulations, the national sta
22、ndards organizations of the following countries 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
23、 United Kingdom. ENISO139192:20013knalb INESO91931:2(1002E) 3 roFwerod TxetehtfoOSINE91931sah1002:2rpneebrapeybdeTeccinhamoClmT/NECeettiC121W“,“gnidleeht secrratefotaiwhcisihybdlehcni,SDoroballwnoitaiThteccinhamoClmiOSIeett/TCW“44dnagnidledeilla rpcoseses“. ThsiruEnaeporadnatSsdsehtnevigebllahtsutaf
24、oslanoitanatradnarehtie,dybcilbupfonoitacitnedinaxetlatro ybrodnesemsetalehtta,tnetybraMchcdna,2002fnocilslanoitangnittradnasdsllahebwirdhtwantaehtsetaltyb raMc.2002h ThsiruEnaeporadnatSdsahneebrpraperednudemaybNECotnevigetadnaruEehtmoCnaepomsisiehtdnano ruEFnaeporTeersAedasocisdna,noitaroppustsesrl
25、aitneriuqeemstneforiDUEect(evis). ForresnoitalwpihiriDUEhtect(evis)s,fnieeormxennAevitaZAw,hcisihrgetninaraplafotsihtstradna.d AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,D
26、enmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom. Introduction ThisEuropeanstandardshouldbeusedasareferenceinthedraftingofapplicationcodesand/orforotherapplication standards.Itmaybeusedwithinatotalqualitys
27、ystemfortheproductionofsatisfactoryweldedjoints.Itprovidesthree setsofdimensionalvaluesfromwhichaselectioncanbemadeforaparticularapplication.Thequalitylevelnecessary ineachcaseshouldbedefinedbytheapplicationstandardortheresponsibledesignerinconjunctionwiththe manufacturer,userand/orotherpartiesconce
28、rned.Thelevelshouldbeprescribedbeforethestartofproduction, preferablyattheinquiryororderstage.Forspecialpurposes,additionaldetailsmayneedtobeprescribed. Thequalitylevelsgiveninthisstandardareintendedtoprovidebasicreferencedataandarenotspecificallyrelatedto anyparticularapplication.Theyrefertoweldedj
29、ointsandnotthecompleteproductorcomponentitself.Itispossible, therefore,fordifferentqualitylevelstobeappliedtoindividualweldedjointsinthesameproductorcomponent.Quality levelsarelistedintable1. Table1 Qualitylevelsforweldimperfections Levelsymbol Qualitylevel D C B Moderate Intermediate Stringent Thet
30、hreequalitylevelsarearbitrarilyidentifiedasD,CandBandareintendedtocoverthemajorityofpractical applications. Ifhigherrequirementsaremadeonweldsthancompatiblewiththeabovelevels(e.g.fordynamicloading)suchwelds maybemachinedorgroundafterweldinginordertoremovesurfaceimperfections. Itwouldnormallybehopedt
31、hatforaparticularweldedjointthedimensionallimitsforimperfectionscouldallbe coveredbyspecifyingonequalitylevel.Insomecases,however,e.g.forcertaintypesofaluminiumoraluminiumalloys andstructuresaswellasforfatigueloadingorleaktightnessapplicationsitmaybenecessarytospecifydifferent qualitylevelsfordiffer
32、entimperfectionsinthesameweldedjointortoincludeadditionalrequirements. Thechoiceofqualitylevelforanyapplicationshouldtakeaccountofdesignconsiderations,subsequentprocessing, e.g.surfacing,modeofstressing(e.g.static,dynamic),serviceconditions(e.g.temperature,environment),and INESO91931:2(1002E) 4 cons
33、equencesoffailure.Economicfactorsarealsoimportantandshouldincludenotonlythecostofweldingbutalso thatofinspection,testandrepair. Althoughthisstandardincludestypesofimperfectionsrelevanttotheelectronandlaserbeamweldingprocesses,only thosewhichareapplicabletotheprocessandapplicationinquestionneedtobeco
34、nsidered. Imperfectionsarequotedintermsoftheiractualdimensions,andtheirdetectionandevaluationmayrequiretheuseof oneormoremethodsofnondestructivetesting.Thedetectionandsizingofimperfectionsisdependentonthe inspectionmethodsandtheextentoftestingspecifiedintheapplicationstandardorcontract. Thisstandard
35、doesnotincludedetailsofrecommendedmethodsofdetectionandsizingand,therefore,itneedstobe supplementedbyrequirementsforexamination,inspectionandtesting.Itshouldbeappreciatedthatmethodsofnon destructiveexaminationmaynotbeabletogivethedetection,characterisationandsizingnecessaryforusewithin certaintypeso
36、fimperfectionsshownintable2. Althoughthisstandardcoversmaterialthicknesses(penetrationdepths)from1mmandaboveforelectronandlaser beamwelding,itshouldbenotedthatthepermittedsizeforalltypesofimperfectionhasanabsolute,upperlimit. Applicationforthicknessesabove50mmforelectronbeamweldingand12mmforlaserbea
37、mweldingis,forthat reason,usuallysafe,butmaybeoverlyconservativeandmayrequirespecialprecautions,suchasweldbeaddressing inordertocomplywiththelimitsforreinforcementandundercut.Attentionshouldbepaidtosuchprecautionsduring approvaltestingoftheweldingprocedureandalternativerequirementsmayhavetobespecifi
38、ed,ifnecessary. Applicationforthicknessesbelow1mmispossible,buttherequirementsmaybeoverlyconservativeforcertaintypes ofimperfections. 1 Scope Thisstandardprovidesguidanceonlevelsofimperfectionsinelectronandlaserbeamweldedjointsinaluminiumand itsalloys.Threelevelsaregiveninsuchawayastopermitapplicati
39、onforawiderangeofweldedfabrications.The slevelreferrpotcudoytilauqnoitfehtottondnaisentsforrupsopfoerpehtcudomtfunacarut.de Thsistradnaseilppadceleotrtsaldnanoermaebwefognidl: mulamuinistidnayollas; ytllasepfowesdlwewdedlirohtwiflanoitiddatuohtrelliwire; maretislarootlauqem1evobamcihtksensforcelerts
40、aldnanoermaebwe.gnidl Wnehsifingictnasnoitaivedfrmojehtomoegtnirteisemiddnasnesnoistsihtnidetastradnaradrpesewehtnitneededl rpcudositi,tcensesarywotetaulaveotxetahrpehttnetsivosnoifosihtstradnacdylppana. NOTE wralucricroFewola,sdleytilauqrveleyam,.g.elztuoedafehtrofdeificepseb.eno rullateMgcisalacep
41、strg.g.e,sniaizerah,sendsractoneorevybdesihtstradna.d 2 Namroviteerefercnes ThsiruEnaeporadnatScnidorropsetaybrodetadrdetadnuefercnerp,esivosnoifrmorehtocilbupsnoitaT.sehe ronmarevitefercneseraceirppaehttadetrpocalpetaisexetehtnitcilbupehtdnasnoitarasilerehdetfaeret.For detadrefercnese,ssbumatneuqem
42、dnestnerootresivisnofoynafosehtcilbupesnoitaylppasihtotruEnaepo radnatSdylnownehcniorropdetanitiybmamdnerotneresiviF.noorrdetadnuefercnesesetalehttfonoitideeht cilbuprnoitaeferrseilppaotde. OSINE02561 W,erpdeilladnagnidlcoseses salCsicifanoitrtemoegfoicrepmiceftsnoicillatemniretamisla raPt F:1usi(gn
43、idlewnoIOS0256)8991:1 ,24003NErAcdedlewstniojstidnamuinimulaniyollaelbadlews Gucnadiytilauqnoeveleslrofrepmiceftsnoi (IOS)2991:24001 ENISO139192:20014ENISO139192:2001(E) 4 csnocneuqesefofaruliecE.monocifactrosraslaeomiropsdnatnatcnidluohlylnotoneducehtostfoweslatubgnidlo fotahtsnicepset,noittrdnaria
44、pe. hguohtlAsihtstradnadcnilseduytsepfomirepfectsnoireceleehtottnavelrtsaldnanoermaebwerpgnidlcoseses,ylno sohtwehcirahcilppaerpehtotelbacosescilppadnaseuqninoitacebotdeennoitsnoredi.de mIrepfectsnoiraedetouqniretmsforiehtcamidlautsnesnoiriehtdna,cetedmnoitaulavednanoitayrriuqeesuehtfoe enoromoremes
45、dohtfononsedrtcuevitsett.gniTcetedehsdnanoitizifognmirepfectsnoisiehtnotnedneped snicepmnoitesdohtxeehtdnafotnetsettsgnicepficilppaehtnideisnoitatradnarodcrtnoact. Thsistradnaseoddcnitonlsliatededuforecommmdedneesdohtfocetedsdnanoitizireht,dnagnferosdeenti,eebot smelppudetneybrriuqeemstneforxemasni,noitanicepsetdnanoittstI.gnirppaebdluohcemtahtdetaiesdohtfonon sedrtcuxeevitmamnoitaniaycetedehtevigotelbaebton,noitcrahcaretisanoitdnasizigncensesaryforsuewiniht certytniasepfomirepfect
