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1、BRITISHSTANDARDBSEN12020-1:2001Aluminiumandaluminiumalloys—ExtrudedprecisionprofilesinalloysENAW-6060andENAW-6063—Part1:TechnicalconditionsforinspectionanddeliveryTheEuropeanStandardEN12020-1:2001hasthestatusofaBritishStandardICS77.150.10LicensedCopy:Ins
2、tituteOfTechnologyTallaght,InstituteofTechnology,MonAug2823:53:22BST2006,UncontrolledCopy,(c)BSINOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBSEN12020-1:2001NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12020-1:
3、2001.Togetherwiththestandardslistedinthefollowingtable,itsupersedesBS1474:1987whichiswithdrawn.ThispartofBSEN12020ispublishedtogetherwith:—BSEN755-9,Aluminiumandaluminiumalloys—Extrudedrod/bar,tubeandprofiles—Part9:Profiles,tolerancesondimensionsandform;
4、—BSEN12020-2,Aluminiumandaluminiumalloys—ExtrudedprecisionprofilesinalloysENAW-6060andENAW-6063—Part2:Tolerancesondimensionsandform.ThefollowingtablegivesthefulllistofimplementedEuropeanStandardswhichsupersedeBS1474:1987.SupersededBritishSupersedingEurop
5、eanStandardsStandardBS1474:1987BSEN515:1993,BSEN573-3:1995,BSEN573-4:1995,BSEN755-1:1997,BSEN755-2:1997,BSEN755-3:1996,BSEN755-4:1996,BSEN755-5:1996,BSEN755-6:1996,BSEN755-7:1998,BSEN755-8:1998,BSEN755-9:2001,BSEN12020-1:2001,BSEN12020-2:2001TheUKpartici
6、pationinitspreparationwasentrustedbyTechnicalCommitteeNFE/35,Lightmetalsandtheiralloys,toSubcommitteeNFE/35/5,Wroughtaluminiumandaluminiumalloys,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenqu
7、iriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-references
8、TheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityo
