1、BRITISH STANDARD AEROSPACE SERIES BS EN 3927:2001 Aerospace series Nickel base alloy NI-B40001 (NiSi5B3) Filler metal for brazing Powder or paste The European Standard EN 3927:2001 has the status of a British Standard ICS 49.025.15 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT L
2、AWBS EN 3927:2001 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 September 2001 BSI 07-2001 ISBN 0 580 37741 5 National foreword This British Standard is the
3、 official English language version of EN 3927:2001. 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 these international or European publications 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
5、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 obligations. aid enqui
6、rers 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. Summary of pages This docu
7、ment 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 CommentsEUROPEANSTANDARD NORME
8、EUROPENNE EUROPISCHENORM EN3927 June2001 ICS49.025.15 Englishversion AerospaceseriesNickelbasealloyNIB40001(NiSi5B3) FillermetalforbrazingPowderorpaste SriearospatialeAlliagebasenickelNIB40001 (NiSi5B3)MtaldapportdebrasagePoudreoupte LuftundRaumfahrtNickelbasislegierungNIB40001 (NiSi5B3)HartlotinFor
9、mvonPulveroderPaste ThisEuropeanStandardwasapprovedbyCENon19April2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnat
10、ional standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusas
11、the official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION
12、EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3927:2001EPage2 EN3927:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (
13、AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicati
14、onofanidentical textorbyendorsement,atthelatestbyDecember2001,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech
15、Republic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3927:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organisationofthiss
16、eriesisdescribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: NickelbasealloyNIB40001(NiSi5B3) Fillermetalforbrazing Powderorpaste foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedr
17、eferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundat
18、edreferencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFillermetalforbrazingTechnicalspecification 1) EN 4258 Aerospaceseri
19、esMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstan
20、dardPage4 EN3927:2001 1 Materialdesignation NickelbasebrazealloyNIB40001(NiSi5B3) Others Element C Si P S B Al Co Fe Se Ti Zr Total Ni min. 4,0 2,75 2 Chemical composition a % max. 0,06 5,0 0,02 0,02 3,50 0,05 0,10 0,5 50*) 0,05 0,05 0,05 Base 3 Methodofmelting Airorinertgasorvacuummelted 4.1 Form P
21、owder 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 Deliverycondit
22、ionormixedwithabinder 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 Redu
23、ctionofarea 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 EN3927:2001 44 Externaldefects Powder Paste SeeEN3875 SeeEN3875 53 Therma
24、lanalysis (Differentialthermalanalysis) 7 Liquidus: 1040C Solidus: 980C 76 Wettability (Fusiontest) SeeEN3875 78 Metallicalloycontent SeeEN3875 7 Powder Paste 84% metallicalloycontent 90% 82 Batchuniformity (Materialverification) SeeEN3875 83 Particlesize (Sieveanalysis) SeeEN3875 95 Markinginspecti
25、on SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. a Thechemicalcompositionreferstothemetallicalloycontent. 99 Typicaluse Joiningcorrosionandheatresistingsteelsandalloys.Page6 EN3927:2001 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanufacturerandpurchas
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