1、BRITISH STANDARD AEROSPACE SERIES BS EN 3958:2001 Aerospace series Silver base alloy AG- B14001 (AgCu42Ni2) Filler metal for brazing Rolled foil The European Standard EN 3958:2001 has the status of a British Standard ICS 49.025.15 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LA
2、WBS EN 3958:2001 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 37723 7 National foreword This British Standard is the
3、official English language version of EN 3958:2001. 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 EN3958 June2001 ICS49.025.15 Englishversion AerospaceseriesSilverbasealloyAGB14001(AgCu42Ni2) FillermetalforbrazingRolledfoil SriearospatialeAlliagebaseargentAGB14001 (AgCu42Ni2)MtaldapportdebrasageFeuillardlamin LuftundRaumfahrtSilberbasislegierungAGB14001 (AgCu42Ni2)Hartlo
9、tinFormvongewalzterFolie ThisEuropeanStandardwasapprovedbyCENon19April2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings u
10、chnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamesta
11、tusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISA
12、TION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3958:2001EPage2 EN3958:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufactur
13、ers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypubl
14、icationofanidentical textorbyendorsement,atthelatestbyDecember2001,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,
15、CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3958:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organisationof
16、thisseriesisdescribedinEN4258. ThisstandardhasbeenpreparedinaccordancewithEN45006. 1 Scope Thisstandardspecifiestherequirementsrelatingto: SilverbasealloyAGB14001(AgCu42Ni2) Fillermetalforbrazing Rolledfoil foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorunda
17、tedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Foru
18、ndatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3875 AerospaceseriesMetallicmaterialsFillermetalforbrazingTechnicalspecification 1) EN 4258 Aerospace
19、seriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse EN 45006 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart6:Specificrulesforfillermetalsforbrazing 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthis
20、standardPage4 EN3958:2001 1 Materialdesignation SilverbasebrazingalloyAGB14001(AgCu42Ni2) Others Element Si P Cu Ni Al Bi Cd Pb Total Ag min. 41,0 1,50 55,0 2 Chemical composition % max. 0,05 80*) 43,0 2,50 10*) 0,030 0,030 0,025 0,15 57,0 3 Methodofmelting Airorinertgasmelted 4.1 Form Rolledfoil 4.
21、2 Methodofproduction Coldrolledandcleaned 4.3 Limitdimension(s) mm 5 Technicalspecification EN3875 Deliverycondition Asmanufacturedorannealed 6.1 Heattreatment 6.2 Deliveryconditioncode U Usecondition Deliverycondition 7 Heattreatment Characteristics 8.1 Testsample(s) 8.2 Testpiece(s) 8.3 Heattreatm
22、ent 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 % 17 Hardness 18 Shearstrength R c MPa 19 Bending k 20 Impactstrength 21 Temperature C 22 Time h 23 Stress
23、a MPa 24 Elongation a % 25 Rupturestress R MPa 26 C Elongationat rupture A% 27 Notes(seeline98) *)Page5 EN3958:2001 44 Externaldefects SeeEN3875 SeeEN3875 53 Thermalanalysis (Differentialthermalanalysis) 7 Liquidus: 895C Solidus: 780C 76 Wettability (Fusiontest) SeeEN3875 82 Batchuniformity (Materia
24、lverification) SeeEN3875 95 Markinginspection SeeEN3875 96 Dimensionalinspection SeeEN3875 98 Notes *) p.p.m. 99 Typicaluse Joiningcarbon,lowalloyandnonheattreatableausteniticsteels.Page6 EN3958:2001 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanufacturerandpurchaser.B
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