1、BRITISH STANDARD AEROSPACE SERIES BS EN 4331:2002 Steel FE-WL1804 (25CrMnMo4-2-2) Filler metal for welding Wire and rod The European Standard EN 4331:2002 has the status of a British Standard ICS 49.025.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 4331:2002 This Bri
2、tish 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 08 February 2002 BSI 08 February 2002 ISBN 0 580 38181 1 National foreword This British Standard is the
3、 official English language version of EN 4331:2002. The UK participation in its preparation was entrusted to Technical Committee ACE/15, Wrought and cast steels for aerospace, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its sec
4、retary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standar
5、ds Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to
6、 understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a fron
7、t cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHEN
8、ORM EN4331 January2002 ICS49.025.10 Englishversion AerospaceseriesSteelFEWL1804(25CrMnMo422)Filler metalforweldingWireandrod SriearospatialeAcierFEWL1804(25CrMnMo422) MtaldapportdesoudageFiletbaguette LuftundRaumfahrtStahlFEWL1804(25CrMnMo422) SchweizusatzDrahtundStbe ThisEuropeanStandardwasapproved
9、byCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManageme
10、ntCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandar
11、dsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:rue
12、deStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4331:2002EEN4331:2002(E) 2 Foreword Thisdocument(EN4331:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). Afterenquiriesandvotescarriedoutinac
13、cordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelate
14、stbyJuly2002,andconflictingnationalstandardsshallbewithdrawnatthe latestbyJuly2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Icela
15、nd,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN4331:2002(E) 3 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organizationofthisseriesisdescribedinEN4258. Thisstandardhasbeenpre
16、paredinaccordancewithEN45005. 1 Scope Thisstandardspecifiestherequirementsrelatingto: SteelFEWL1804(25CrMnMo422) Fillermetalforwelding Wireandrod foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativere
17、ferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoap
18、plies. EN2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3879 AerospaceseriesMetallicmaterialsFillermetalforweldingTechnicalspecification 1) EN4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLink
19、s betweentypesofENstandardsandtheiruse EN 45005 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart5:Specificrulesforsteels 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN4331:2002(E) 4 1 Materialdesignation SteelFEWL1804(25CrMnMo422) Eleme
20、nt C Si Mn P S Cr Mo Ni Fe min. 0,21 0,40 0,80 0,15 2 Chemical composition % max. 0,28 0,25 0,80 0,025 0,030 1,20 0,30 0,30 Base 3 Methodofmelting Airmelted 4.1 Form Wireandrod 4.2 Methodofproduction Colddrawn 4.3 Limitdimension(s) mm 5 Technicalspecification EN3879 Deliverycondition Colddrawnandann
21、ealed 6.1 Heattreatment 6.2 Deliveryconditioncode U Usecondition Deliverycondition 7 Heattreatment Characteristics 8.1 Testsample(s) 8.2 Testpiece(s) 8.3 Heattreatment 9 Dimensionsconcerned mm 10 Thicknessofcladdingon eachface % 11 Directionoftestpiece 12 Temperature C 13 Proofstress R p0,2 MPa 14 S
22、trength R m MPa 15 Elongation A % 16 T Reductionofarea Z % 17 Hardness 18 Shearstrength R c MPa 19 Bending k 20 Impactstrength 21 Temperature C 22 Time h 23 Stress a MPa 24 Elongation a % 25 Rupturestress R MPa 26 C Elongationat rupture A% 27 Notes(seeline98) EN4331:2002(E) 5 44 Externaldefects SeeE
23、N3879 57 Residualstress SeeEN3879 61 Internaldefects SeeEN3879 82 Batchuniformity (Materialverification) SeeEN3879 95 Markinginspection SeeEN3879 96 Dimensionalinspection SeeEN3879 98 Notes 99 Typicaluse EN4331:2002(E) 6 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanuf
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