1、BRITISH STANDARD AEROSPACE SERIES BS EN 3945:2001 Aerospace series Nickel base alloy NI-B48801 (NiMn19Si6Cu4B) Filler metal for brazing Powder or paste The European Standard EN 3945:2001 has the status of a British Standard ICS 49.025.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYR
2、IGHT LAWBS EN 3945:2001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 2001 BSI 05-2001 ISBN 0 580 37493 9 National foreword This British Standard is the
3、 official English language version of EN 3945:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, which has the responsibility to: A list of organizations represented on this committee can be
4、 obtained on request to its secretary. 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 “Fi
5、nd” facility of the BSI Standards 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 lega
6、l obligations. aid enquirers to understand the text; present to the responsible international/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. Su
7、mmary of pages This document comprises a front 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 Commen
8、tsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3945 February2001 ICS49.025.15 Englishversion AerospaceseriesNickelbasealloyNIB48801 (NiMn19Si6Cu4B)FillermetalforbrazingPowderorpaste SriearospatialeAlliagebasenickelNIB48801 (NiMn19Si6Cu4B)MtaldapportdebrasagePoudreou pte LuftundRaumfahrtNickelbas
9、islegierungNIB48801 (NiMn19Si6Cu4B)HartlotinFormvonPulveroderPaste ThisEuropeanStandardwasapprovedbyCENon21February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatel
10、istsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguage
11、andnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. Languagenotice
12、 :InaccordancewithResolutionBTC229/1999,thisAECMAstandardispublishedintheEnglishlanguageversiononly.The FrenchandGermanversionsmightbeavailableonrequestfromAECMA(EuropeanAssociationofAerospaceIndustries,RueGulledel le,94, B1200Brussels). EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATIO
13、N EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3945:2001EPage2 EN3945:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers
14、 (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublica
15、tionofanidentical textorbyendorsement,atthelatestbyAugust2001,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRe
16、public,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3945:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organisationofthisser
17、iesisdescribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: NickelbasealloyNIB48801(NiMn19Si6Cu4B) Fillermetalforbrazing Powderorpaste foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorunda
18、tedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Foru
19、ndatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFillermetalforbrazingTechnicalspecification 1) EN 4258 Aerospace
20、seriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthis
21、standardPage4 EN3945:2001 1 Materialdesignation NickelbasebrazealloyNIB48801(NiMn19Si6Cu4B) Element C Si Mn P S B Cu Al Co R.E. Se Ti Zr Ni min. 5,5 18,5 0,80 3,0 2 Chemical composition a % max. 0,10 6,0 20,0 0,02 0,02 1,10 5,0 0,05 0,10 0,03 50* ) 0,05 0,05 Base 3 Methodofmelting Airorinertgasorvac
22、uummelted 4.1 Form Powder Paste 4.2 Methodofproduction Waterorinertgasatomisedandsieved Waterorinertgasatomisedandsieved andmixedwithabinder 4.3 Limitdimension(s) mm 5 Technicalspecification EN3875 Deliverycondition Asmanufactured Asmanufactured 6.1 Heattreatment 6.2 Deliveryconditioncode UU Usecond
23、ition Deliveryconditionormixedwithabinder 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 Strength R m MPa 15 Elon
24、gation 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) *) aPage5 EN3945:2001 44 Externaldefects Powder Paste SeeEN3875
25、 SeeEN3875 53 Thermalanalysis (Differentialthermalanalysis) 7 Liquidus: 990C Solidus: 920C 76 Wettability (Fusiontest) SeeEN3875 78 Metallicalloycontent SeeEN3875 7 Powder Paste 84% metallicalloycontent 90% 82 Batchuniformity (Materialverification) SeeEN3875 83 Particlesize (Sieveanalysis) SeeEN3875
26、 95 Markinginspection SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. a Thechemicalcompositionreferstothemetallicalloycontent. 99 Typicaluse Joiningausteniticandmartensiticstainlesssteels,nickelandcobaltbasealloys.Page6 EN3945:2001 100 Productqualification SeeEN2043 Qualificationprog
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