BS EN 755-7 2016

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1、BSEN755-7:2016BSIStandardsPublicationAluminiumandaluminiumalloys—Extrudedrod/bar,tubeandprofilesPart7:Seamlesstubes,tolerancesondimensionsandformWB11885_BSI_StandardCovs_2013_AW.indd115/05/201315:06BSEN755-7:2016BRITISHSTANDARDNationalforewordThisBritishStandardistheUKimpleme

2、ntationofEN755-7:2016.ItsupersedesBSEN755-7:2008whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeNFE/35,Lightmetalsandtheiralloys.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurport

3、toincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.©TheBritishStandardsInstitution2016.PublishedbyBSIStandardsLimited2016ISBN9780580910036ICS77.150.10CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStand

4、ardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2016.Amendments/corrigendaissuedsincepublicationDateTextaffectedBSEN755-7:2016EUROPEANSTANDARDEN755-7NORMEEUROPÉENNEEUROPÄISCHENORMJune2016ICS77.150.10SupersedesEN755-7:2008EnglishVersionAluminium

5、andaluminiumalloys-Extrudedrod/bar,tubeandprofiles-Part7:Seamlesstubes,tolerancesondimensionsandformAluminiumetalliagesd'aluminium-Barres,tubesetAluminiumundAluminiumlegierungen-profilésfilés-Partie7:Tubesfiléssuraiguille,StranggepressteStangen,RohreundProfile-Teil7:tolérance

6、ssurdimensionsetformeNahtloseRohre,GrenzabmaßeundFormtoleranzenThisEuropeanStandardwasapprovedbyCENon11April2016.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyaltera

7、tion.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytranslationundert

8、heresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CE