jis g3141 cold

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1、JISG3141Cold-reducedcarbonsteelsheetsandstrip(JISG3141/JISG3141)1.ScopeThisJapaneseIndustrialStandardspecifiesthecold-reducedcarbonsteelsheets,coilsandstrip(hereafterreferredtoas"steelsheetandcoil"),includingthecoldrolledstripsteel(steelcoilslessthan500mminwidthduringcoldrolling)andalsothe

2、cutlengthstherefrom.Remarks1.ThestandardcitedinthisStandardaregiveninAttachedTable1.2.TheInternationalStandardcorrespondingtothsiStandardisgiveninthegollowing:ISO3574-1986Cold-reducedcarbonsteelsheetofcommercialanddrawingqualities3.ApartofthecorrespondingInternationalStandardlistedinthisSt

3、andardisgivenintheAnnex.ThisAnnexisapplicableinsteadoftherequirementsspecifiedin1.,2.,3.and10.ofthistext.2.QualityandstmbolThesteelsheetandcoilshallbeclassifiedintothreecategoriesandtheirsymbolsshallbeasgiveninTable1,Theyshallbesubclassifiedaccordingtothetempergradeandsurfacefinishasgiveni

4、nTables2and3,respectively.table1.SymbolofqualitySymbolofqualityRemarksSPCCCommercialqualitySPCDDrewingqualitySPECDeepdrawingqualityRemarks1.Whenthesteelsheetandcoilofstandardtempergradeandas-annealedoninqualitySPCCarerequestedbythepurchasertoguaranteetensiletestvalues,lettersymbolTshallbes

5、uffixedtothesymbolofquality,thusappearsSPCCT.2.WhenthesteelsheetandcoilofstandardtempergradeinqualitySPECarerequestedbythequrchasertoguaranteenon-agingproperty,lettersymbolNshallbesuffixedtothesymbolofquality,thusappearsSPCEN.Table2.TempergradeTempergradeSymboloftempergradeAs-annealedAStan

6、dardtempergradeS1/8hard81/4hard41/2hard2Fullhard1Table3.SurfacefinishSurfacefinishSymbolofsurfacefinishRemarksDullfinishDAmattfinishproducedwitharollrougheneditssurfacemechanicallyorchemicallyBrightfinishBAsmoothfinishproducedwitharollfinisheditssurfacesmoothlyRemarks:Thissableisnotapplica

7、bletothesteelsheetandcoilas-annealed.3.Mechanicalproperties3.1Tensilestrength,elongationandnon-agingpropertyThesteelsheetandcoilofstandardtempergradeandas-annealedoneshallbetestedinaccordancewith10.,andtheirtensilestrength,elongationandnon-agingpropertiesshall