BS EN 12060-1998 锌和锌合金取样规Zinc and zinc alloys - Me

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN12060:1998TheEuropeanStandardEN12060:1997hasthestatusofaBritishStandardICS77.120.60NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWZincandzincalloysÐMethodofsamplingÐSpecifications©BSI1998ISBN0580288102BSEN12060:1998AmendmentsissuedsincepublicationAmd.No.DateTextaffectedNationalforewordThisBritishStandardistheEnglishlanguageversionofEN12060:1997.ItsupersedesBS3630:Part4:1963whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeNFE/8,Zincandzincalloys,toSubcommitteeNFE/8/4,Analysisofzincandzincalloys,whichhastheresponsibilityto:±aidenquirerstounderstandthetext;±presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;±monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled`InternationalStandardsCorrespondenceIndex',orbyusingthe`Find'facilityoftheBSIStandardsElectronicCatalogue.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to6,aninsidebackcoverandabackcover.©1997CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12060:1997EEUROPEANSTANDARDEN12060NORMEEUROPEÂENNEEUROPAÈISCHENORMOctober1997ICS77.120.60Descriptors:Zinc,zincalloys,sampling,specifications,specimenpreparation,proceduresEnglishversionZincandzincalloysÐMethodofsamplingÐSpecificationsZincetalliagesdezincÐMeÂthoded'eÂchantillonnageÐSpeÂcificationsZinkundZinklegierungenÐProbenahmeÐSpezifikationenThisEuropeanStandardwasapprovedbyCENon26September1997.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.©BSI1998ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC209,Zincandzincalloys,thesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyApril1998,andconflictingnationalstandardsshallbewithdrawnatthelatestbyApril1998.Withinitsprogrammeofwork,TechnicalCommitteeCEN/TC209entrustedCEN/TC209/SC3Methodsofanalysisandtestingtopreparethefollowingdocument:EN12060ZincandzincalloysÐMethodofsamplingÐSpecificationAccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ContentsPageForeword21Scope32Normativereferences33Definitions34Principle35Apparatus35.1Ladle35.2Samplemoulds36Identificationofsamplesandpreparationoftestpiece46.1Identification46.2Preparation47Procedure47.1Frequency47.2Personnel47.3Castproducts4AnnexA(normative)Samplingofingotswithaweightlessthan25kg5©BSI19981ScopeThisEuropeanStandardspecifiestherequirementsforsamplingofzincandzincalloys,asspecifiedinEN1179andEN1774,foranalysis.2NormativereferencesThisEuropeanStandardincorporatesbydatedorundatedreferencesprovisionsfromotherpublications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthepublicationreferredtoapplies.EN1774ZincandzincalloysÐAlloysforfoundrypurposesÐIngotandliquidEN1179ZincandzincalloysÐPrimaryzinc3DefinitionsForthepurpo