1、BRITISH STANDARD AEROSPACE SERIES BS EN 3942:2001 Aerospace series Nickel base alloy NI - B41204 (NiCr13Si4B3) Filler metal for brazing Borided foil The European Standard EN 3942:2001 has the status of a British Standard ICS 49.025.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGH
2、T LAWBS EN 3942:2001 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 37494 7 National foreword This British Standard is the of
3、ficial English language version of EN 3942:2001. 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 ob
4、tained 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 St
5、andards 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 enquire
6、rs 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 docume
7、nt 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 NORMEEU
8、ROPENNE EUROPISCHENORM EN3942 February2001 ICS49.025.15 Englishversion AerospaceseriesNickelbasealloyNIB41204(NiCr13Si4B3) FillermetalforbrazingBoridedfoil SriearospatialeAlliagebasenickelNIB41204 (NiCr13Si4B3)MtaldapportdebrasageFeuillard borur LuftundRaumfahrtNickelbasislegierungNIB41204 (NiCr13Si
9、4B3)HartlotinFormvonborierteFolie ThisEuropeanStandardwasapprovedbyCENon21February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesc
10、oncernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentreh
11、asthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPE
12、NDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3942:2001EPage2 EN3942:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospa
13、ceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,
14、eitherbypublicationofanidentical textorbyendorsement,atthelatestbyAugust2001,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,
15、Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3942:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organi
16、zationofthisseriesisdescribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: NickelbasealloyNIB41204(NiCr13Si4B3) Fillermetalforbrazing Boridedfoil foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesby
17、datedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorre
18、vision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFillermetalforbrazingTechnicalspecification 1) EN 425
19、8 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1) 1) PublishedasAECMAPrestandardatthedateofpublic
20、ationofthisstandardPage4 EN3942:2001 1 Materialdesignation NickelbasebrazealloyNIB41204(NiCr13Si4B3) Others Element C Si P S B Cr Fe Al Co Se Ti Zr Total Ni min. 3,50 2,50 12,0 3,0 2 Chemical composition % max. 0,03 4,50 0,02 0,02 3,25 14,0 5,0 0,05 0,10 50*) 0,05 0,05 0,05 Base 3 Methodofmelting Ai
21、rorinertgasorvacuummelted,withoutboron 4.1 Form Boridedfoil 4.2 Methodofproduction Coldorhotrolledandconvertedtobrazealloybydiffusionofboronintothesurfaces 4.3 Limitdimension(s) mm 5 Technicalspecification EN3875 Deliverycondition Asmanufactured 6.1 Heattreatment 6.2 Deliveryconditioncode U Usecondi
22、tion 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 Reductionofarea Z % 1
23、7 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) *)Page5 EN3942:2001 44 Externaldefects SeeEN3875 SeeEN3875 53 Thermalanalysis (Differentialthermalan
24、alysis) 7 Liquidus: 1125C Solidus: 960C 76 Wettability (Fusiontest) SeeEN3875 82 Batchuniformity (Materialverification) SeeEN3875 95 Markinginspection SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. 99 Typicaluse Joiningnickelandcobaltbasealloys.Page6 EN3942:2001 100 Productqualifica
25、tion SeeEN2043 QualificationprogrammetobeagreedbetweenmanufacturerandpurchaserBS EN 3942:2001 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 view on standards in Europe an
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