1、BRITISH STANDARD AEROSPACE SERIES BS EN 3888:2001 Heat resisting alloy CO-WH1402 (CoCr22Ni22W15) Filler metal for welding The European Standard EN 3888:2001 has the status of a British Standard ICS 49.025.15 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3888:2001 This B
2、ritish 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 38142 0 National foreword This British Standard is the official English langua
3、ge version of EN 3888:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/49, Heat resisting wrought and cast alloys for aerospace, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. C
4、ross-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” facility of the BSI Standards Electr
5、onic 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 enquirers to understa
6、nd 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. Summary of pages This document comprises a front cover,
7、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 NORMEEUROPENNE EUROPISCHENORM EN388
8、8 June2001 ICS49.025.15 Englishversion AerospaceseriesHeatresistingalloyCOWH1402 (CoCr22Ni22W15)Fillermetalforwelding SriearospatialeAlliagersistantchaudCOWH1402 (CoCr22Ni22W15)Mtaldapportdesoudage LuftundRaumfahrtHochwarmfesteLegierungCO WH1402(CoCr22Ni22W15)Schweizusatz ThisEuropeanStandardwasappr
9、ovedbyCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheMana
10、gementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalsta
11、ndardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruede
12、Stassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3888:2001EPage2 EN3888:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiriesandvotescarriedoutinaccordan
13、cewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyD
14、ecember2001,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Ic
15、eland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN3888:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organisationofthisseriesisdescribedinEN4258. Thisstandardhasbeenprepa
16、redinaccordancewithEN45003. 1 Scope Thisstandardspecifiestherequirementsrelatingto: HeatresistingalloyCOWH1402(CoCr22Ni22W15) Fillermetalforwelding foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormative
17、referencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredto
18、applies. EN2043 AerospaceseriesMetallicmaterialsGeneralrequirementsforsemifinishedproduct qualification(excludingforgingsandcastings) 1) EN3879 AerospaceseriesMeta llicmaterialsFillermetalsforweldingTechnicalspecification 1) EN4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardization
19、Links betweentypesofENstandardsandtheiruse EN 45003 AerospaceseriesMetallicmaterialsRulesfordraftingandpresentationofmaterial standardsPart3:Specificrulesforheatresistingalloys 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardPage4 EN3888:2001 1 Materialdesignation Heatresistinga
20、lloyCOWH1402(CoCr22Ni22W15) Element C Si Mn P S Cr La Ni W B Fe Co min. 0,05 0,20 20,0 0,02 20,0 13,0 2 Chemical composition % max. 0,15 0,50 1,25 0,020 0,015 24,0 0,12 24,0 16,0 0,015 3,00 Base 3 Methodofmelting Consumableelectroderemelted 4.1 Form Fillerwireandfillerrods 4.2 Methodofproduction Col
21、ddrawn 4.3 Limitdimension(s) mm 5 Technicalspecification EN3879 Deliverycondition Colddrawnandannealed 6.1 Heattreatment 6.2 Deliveryconditioncode U Usecondition Deliverycondition 7 Heattreatment Characteristics 8.1 Testsample(s) 8.2 Testpiece(s) 8.3 Heattreatment 9 Dimensionsconcerned mm 10 Thickne
22、ssofcladdingon 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 a MPa 24 Elongation a % 25 Rupturestres
23、s R MPa 26 C Elongationat rupture A% 27 Notes(seeline98) Page5 EN3888:2001 44 Externaldefects SeeEN3879 57 Residualstress SeeEN3879 61 Internaldefects SeeEN3879 82 Batchuniformity (Materialverification) SeeEN3879 95 Markinginspection SeeEN3879 96 Dimensionalinspection SeeEN3879 98 Notes 99 Typicalus
24、e Page6 EN3888:2001 100 Productqualification SeeEN2043 Qualificationprogrammetobeagreedbetweenmanufacturerandpurchaser.BS EN 3888:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It prese
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