1、BRITISH STANDARD AEROSPACE SERIES BS EN 3937:2001 Aerospace series Nickel base alloy NI-B44101 (NiW12Cr10Si4Fe3B3) Filler metal for brazing Powder or paste The European Standard EN 3937:2001 has the status of a British Standard ICS 49.025.15 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY C
2、OPYRIGHT LAWBS EN 3937:2001 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 37736 9 National foreword This British Stand
3、ard is the official English language version of EN 3937:2001. 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 commit
4、tee 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 found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by usi
5、ng the “Find” 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
6、 from legal obligations. aid enquirers to 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. Summar
7、y 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 CommentsEU
8、ROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3937 June2001 ICS49.025.15 Englishversion AerospaceseriesNickelbasealloyNIB44101 (NiW12Cr10Si4Fe3B3)FillermetalforbrazingPowderor paste SriearospatialeAlliagebasenickelNIB44101 (NiW12Cr10Si4Fe3B3)Mtaldapportdebrasage Poudreoupte LuftundRaumfahrtNickelba
9、sislegierungNIB44101 (NiW12Cr10Si4Fe3B3)HartlotinFormvonPulveroder Paste ThisEuropeanStandardwasapprovedbyCENon19April2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptoda
10、telistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlangu
11、ageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOM
12、MITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3937:2001EPage2 EN3937:2001 Foreword ThisEuropeanStandardhasbeenprepa
13、redbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshall
14、begiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2001,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesarebound
15、toimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3937:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsfo
16、raerospaceapplications.Thegeneral organisationofthisseriesisdescribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: NickelbasealloyNIB44101(NiW12Cr10Si4Fe3B3) Fillermetalforbrazing Powderorpaste foraerospaceapplications. 2 Normat
17、ivereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropea
18、nStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFille
19、rmetalforbrazingTechnicalspecification 1) EN 4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1)
20、 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardPage4 EN3937:2001 1 Materialdesignation NickelbasebrazealloyNIB44101(NiW12Cr10Si4Fe3B3) Others Element CS iPSBC rF eWA lC oS eT iZ r Total Ni min. 0,30 3,25 2,2 8,0 2,5 11,5 2 Chemical composition a % max. 0,50 4,25 0,02 0,02 3,1 12,
21、0 4,0 12,75 0,05 0,10 50* ) 0,05 0,05 0,05 Base 3 Methodofmelting Airorinertgasorvacuummelted 4.1 Form Powder Paste 4.2 Methodofproduction Waterorinertgasatomisedandsieved Waterorinertgasatomisedandsieved andmixedwithabinder 4.3 Limitdimension(s) mm 5 Technicalspecification EN3875 Deliverycondition
22、Asmanufactured Asmanufactured 6.1 Heattreatment 6.2 Deliveryconditioncode UU Usecondition Deliveryconditionormixedwithabinder Deliverycondition 7 Heattreatment Characteristics 8.1 Testsample(s) 8.2 Testpiece(s) 8.3 Heattreatment 9 Dimensionsconcerned mm 10 Thicknessofcladdingon eachface % 11 Directi
23、onoftestpiece 12 Temperature C 13 Proofstress R p0,2 MPa 14 Strength 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%
24、 27 Notes(seeline98) *) aPage5 EN3937:2001 44 Externaldefects Powder Paste SeeEN3875 SeeEN3875 53 Thermalanalysis (Differentialthermalanalysis) 7 Liquidus: 1095C Solidus: 970C 76 Wettability (Fusiontest) SeeEN3875 78 Metallicalloycontent SeeEN3875 7 Powder Paste 84% metallicalloycontent 90% 82 Batch
25、uniformity (Materialverification) SeeEN3875 83 Particlesize (Sieveanalysis) SeeEN3875 95 Markinginspection SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. a Thechemicalcompositionreferstothemetallicalloycontent. 99 Typicaluse Joiningheatresistingsteelsandnickelorcobaltalloys.Page6 EN
26、3937:2001 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanufacturerandpurchaser.BS EN 3937:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK
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