1、BRITISH STANDARD AEROSPACE SERIES BS EN 3939:2001 Aerospace series Nickel base alloy NI-B46001 (NiCo20Si5B3) Filler metal for brazing Powder or paste The European Standard EN 3939:2001 has the status of a British Standard ICS 49.025.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIG
2、HT LAWBS EN 3939:2001 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 37484 X National foreword This British Standard is the o
3、fficial English language version of EN 3939:2001. 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 o
4、btained 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 “Find
5、” 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 legal
6、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. Summ
7、ary 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 Comments
8、EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3939 February2001 ICS49.025.15 Englishversion AerospaceseriesNickelbasealloyNIB46001(NiCo20Si5B3) FillermetalforbrazingPowderorpaste SriearospatialeAlliagebasenickelNIB46001 (NiCo20Si5B3)MtaldapportdebrasagePoudreou pte LuftundRaumfahrtNickelbasislegi
9、erungNIB46001 (NiCo20Si5B3)HartlotinFormvonPulveroderPaste ThisEuropeanStandardwasapprovedbyCENon21February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandb
10、ibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotif
11、iedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. Languagenotice :Inacco
12、rdancewithResolutionBTC229/1999,thisAECMAstandardispublishedintheEnglishlanguageversiononly.The FrenchandGermanversionsmightbeavailableonrequestfromAECMA(EuropeanAssociationofAerospaceIndustries,RueGulledel le,94, B1200Brussels). EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPI
13、SCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3939:2001EPage2 EN3939:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA)
14、. AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan
15、identical textorbyendorsement,atthelatestbyAugust2001,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,D
16、enmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3939:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organisationofthisseriesisdes
17、cribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: NickelbasealloyNIB46001(NiCo20Si5B3) Fillermetalforbrazing Powderorpaste foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferen
18、ceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedrefe
19、rencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFillermetalforbrazingTechnicalspecification 1) EN 4258 AerospaceseriesMeta
20、llicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardPa
21、ge4 EN3939:2001 1 Materialdesignation NickelbasebrazealloyNIB46001(NiCo20Si5B3) Others Element C Si B Co Al Fe Se P S Ti Zr Total Ni min. 4,0 2,75 18,0 2 Chemical composition a % max. 0,06 5,0 3,15 22,0 0,05 1,5 50*) 0,02 0,02 0,05 0,05 0,05 Base 3 Methodofmelting Airorinertgasorvacuummelted 4.1 For
22、m 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 Usecondition Deliverycon
23、ditionormixedwithabinder 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 Elongation A % 16 T R
24、eductionofarea 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 EN3939:2001 44 Externaldefects Powder Paste SeeEN3875 SeeEN3875 53 The
25、rmalanalysis (Differentialthermalanalysis) 7 Liquidus: 1060C Solidus: 970C 76 Wettability (Fusiontest) SeeEN3875 78 Metallicalloycontent SeeEN3875 7 Powder Paste 84% metallicalloycontent 90% 82 Batchuniformity (Materialverification) SeeEN3875 83 Particlesize (Sieveanalysis) SeeEN3875 95 Markinginspe
26、ction SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. a Thechemicalcompositionreferstothemetallicalloycontent. 99 Typicaluse Joiningstainlesssteel,nickelandcobaltbasealloys.Page6 EN3939:2001 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanufacturerandpurc
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