BS EN 10020-2000 钢的等级定义和划分

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN10020:2000TheEuropeanStandardEN10020:2000hasthestatusofaBritishStandardICS01.040.77;77.080.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWDefinitionandclassificationofgradesofsteelLicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,WedMar2908:40:19BST2006,UncontrolledCopy,(c)BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15July2000©BSI07-2000ISBN0580344770BSEN10020:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN10020:2000.ItsupersedesBSEN10020:1991whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeISE/5,Technicaldeliveryconditions,classificationanddesignationofsteels,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to9andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.LicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,WedMar2908:40:19BST2006,UncontrolledCopy,(c)BSI(8523($167$1'$5'1250((8523e(11((8523b,6&+(1250(10DUFK,&66XSHUVHGHV(1(QJOLVKYHUVLRQ'HILQLWLRQDQGFODVVLILFDWLRQRIJUDGHVRIVWHHO'pILQLWLRQHWFODVVLILFDWLRQGHVQXDQFHVG¶DFLHU%HJULIIVEHVWLPPXQJIUGLH(QWHLOXQJGHU6WlKOH7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ)HEUXDU\&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDOVWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQXQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDOYHUVLRQV&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP(8523($1&200,77(()2567$1'$5',=$7,21&20,7e(8523e(1'(1250$/,6$7,21(8523b,6&+(6.20,7(()h5125081*&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV‹&(1$OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHGZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV5HI1R(1(LicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,WedMar2908:40:19BST2006,UncontrolledCopy,(c)BSI3DJH(1È%6,&RQWHQWV)RUHZRUG6FRSH7HUPDQGGHILQLWLRQ&ODVVLILFDWLRQE\FKHPLFDOFRPSRVLWLRQ$SSOLFDEOHDOOR\FRQWHQWV'HILQLWLRQRIFODVVHV1RQDOOR\VWHHOV6WDLQOHVVVWHHOV