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1、BRITISHSTANDARDBSEN14399-4:2005High-strengthstructuralboltingassembliesforpreloading—Part4:SystemHV—HexagonboltandnutassembliesTheEuropeanStandardEN14399-4:2005hasthestatusofaBritishStandardICS21.060.10;21.060.20BSEN14399-4:2005National
2、forewordThisBritishStandardistheofficialEnglishlanguageversionofEN14399-4:2005.TogetherwithBSEN14399-1:2005,BSEN14399-2:2005,BSEN14399-3:2005,BSEN14399-5:2005andBSEN14399-6:2005,itsupersedesBS4395-1:1969andBS4395-2:1969,whichareplannedtobedeclaredobsolescentinSeptember20071),andthen,togetherw
3、ithBS449andBS5950,willbewithdrawnuponpublicationofEurocode3.(BS4395-1:1969andBS4395-2:1969currentlysupportBS449andBS5950.)TheUKparticipationinthepreparationofEN14399-4wasentrustedbyTechnicalCommitteeFME/9,Nuts,boltsandaccessories/SteeringCommittee,toitsSubcommittee,FME/9/1,Materials,whichhast
4、heresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeepUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresente
5、donthissubcommitteecanbeobtainedonrequesttoitssecretary.AdditionalinformationThispartofBSEN14399isoneofseveralpartsthatcomprisetheBSEN14399seriesofstandards.BSEN14399-1providesthegeneralrequirementstowhichtheotherparts,whichprovidespecificrequirementsregardingmanufacture,materialsandtesting,r
6、elate.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thi
7、spublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.1)CEN/TC185/WG6hasappliedforatwo-yearextendedc