Indian Standard COLD REDUCED LOW CARBON …

1 IIS513:2008W?ThmmmmJpRl@ Continuouslycold-rolledsteelsheetproduct s Dimensionalandshapetolerances ,andn) :1s03574:1999 cold -reducedcarbonsteelsheetofcommercial anddrawingqualities13 SEN10130:1991 ,thefinalvalue,observedorcalculated,expr essingtheresultofatestoranalysis,shallbe roundedoffinaccordancewith1S2:1960 Rulesforroundingoffnumericalvalues(revis ed) . :2008 IndianStandardCOLDREDUCEDLOWCARBONSTEELS HEETANDSTRIP(FijthRevision) , , , (RelevantParts)1501:2000/1S06507-1:19971 586:20001599:19851608:2005/TitleMethodfo rchemicalanalysisofsteelMethodforVickers hardnesstestformetallicmaterial(thirdrev ision)MethodforRockwellhardnesstestforme tallicmaterial(ScalesA-B-C-D-E-F-G-H-K)( thirdrevision)Methodforbendtest(secondre vision)Metallicmaterials TensiletestingISO6892:1998atambienttempe rature(thir~8910:197810175(Part1)1993119 99:198715756:2007/1S010275:19931S/1S0161 62:2005revision)Generaltechnicaldelivery requirementsforsteelandsteelproductsMech anicaltestingofmetals ModifiedErichsoncuppingtest Sheetandstrip.

2 Part1 Thicknessupto2mm(@trevision)Methodfordet erminationofplasticstrainratio r forsteelsheetsMetallicmaterials Sheetandstrip Determinationoftensilestrainhardeningexp onentContinuouslycold-rolledsteelsheetpr oducts Dimensionalandshapetolerances3 CLASSIFICATIONOFGRADESS heetsandstripsshallbeclassifiedintheCR], CR2,CR3,CR4andCR5 ,CR3,CR4andCR5gradeshallbesuppliedinanne aledandskin-passedcondition:TemperTemper DesignationHHardl/2 HHalfHardl/4 HQuarterHardseSkinPassedAAnnealedProcess ingProducedbyheavycoldrollingProducedbyc oldrollingfollowedbyannealingandfurtherc oldrollingtogivestripofintermediatehardn essdoProducedbylightcoldrollingafteranne alingProducedbyafinalannealingprocessFor specificapplications,sheetsandstripsmaya lsobesuppliedinanyothertempersubjecttoag reementbetweenthesupplierandthepurchaser ,4, ,$ , , , ,whencarriedouteitherbythemethodsspecifi edinrelevantpartsofIS228oranyotherestabl ishedinstrumental/chemicalmethod, , , ,ifspecifiedbythepurchaser, ,thetensiletestshallbecarriedoutinaccord ancewithIS1608asapplicable,andthevalueso ftensilestrength,yieldstressandpercentag eTable1 ChemicalComposition( ) ,Percent,IUaxAf\/\DesignationNameCarbonM anganeseSrrlphurPhosphomsTitanium(1)(2)( 3)(4)(5)(6)(7)(8) ii) ) iv) AluminiumKilled(Non-ageing)v) , (StabilizedInterstitialFree)

3 , , , , , ,vanadium,titaniumandboroneitherindividu allyorincombination, ,incaseofboron, :2008 Table2 PermissibleVariationforProductAnalysis( ) ,dfux(1)(2)(3) ) ) ) , ,iftheyieldstrengthisnotclearlydistincti ve, ,stripsandcoilsofCR2, (Part1), , ,bywayofdeparturefromthesestandards, ,soastodifferentiatethesefromthehardness valuesdeterminedonthickerproducts(whicha renotallowedtoexhibitavisibledeformation onthebacksideofthespecimen). , (r), , , , (n), , ,otherwise, ( )butmaybesuppliedannealedlast(thatiswith outaskinpass), :a)Totemporarilyminimizetheappearanceofc oilbreaks,stretcherstrains(Luderslines)o rflutingduringfabricationoffinishedparts ,b)Toobtaintherequiredsurfacefinishsuita bleforordinarydecorativepainting,andc) ,CR2andCR3?J1S513:2008O*S1 0! 52 0 NOMNA~THKII(NESSOFSHEETINmni~ ~MU~ERICHWNVALUESIS513:2008 Table3 MechanicalPropertiesatRoomTemperatureina sDeliveredConditionforAnnealed/SkinPasse dSheetsandStrips(CutLengthsandCoils)( , , , ) ~2 ; L~DesignationNameMaxLo=L<,=HRB80mm50mm(N T)(1)(2)(3)(4)(5)(6)(7)(8)(9)(lo)(11)OCR IC ommercial280ii)CR2 Drawing240iii)CR3 DeepDrawing220iv)CR4 ExtraDeepDrawing210 AhrminiumKilled(iWm-ageing)v)CR5 ExtraDeepDrawing190(StabilizedInterstiti alFree)NOTES11Ml%=IN/mm2=1MN/mz=0,1020kg f/mml4102728 SeeTable4 37030316560 35034355755 35036375050- 3503840 , ,thelowerlimitforRemaybeassumedtobe140 MPaforgradesCR1,CR2, ,theelongationvaluesinthetableshallbered ucedby1,4 EquivalentV] :a)Surfacemarkingsfi-omstretcherstrains( Luderslines)orflutingwhenthesteelisforme d,andb) , ,byusingtheoldestmaterialfirst.

4 ,CR2andCR3andwithdueregardtotheforegoing precautions,reasonablefreedomcanbeachiev edbyeffectiverollerlevellingimmediatelyp riortofabricationatthepurchaser (CR2,CR3,CR4andCR5) ,someslightpitting,smallmarkings,scratch es, , ,dullinappearance, :2008 Table4 ApplicablePeriodforValuesSpecifiedinTabl e3( ) (1)(2)(3)OCR28daysii)CR38daysiii)CR46mon thsw)CR56monthsTable5 HardnessofDifferentTempersatRoomTemperat ureforCR1 Grade( ) (MinAM7X3(1)(2)(3)(4)Otlard(H)85 11)tIalflIard(1/2H)7585 Iii)QuarterHard(1/4 Hard)6075iv)SkinPassed(SP) 70v)Annealed(A)68(DeadSotl)NOTES1 FortempersotherthanthosementionedinthisP dble, ,Table6 BendTestforSheets/StripsinCutLengthsandC oilsinAnnealedandSkinPassCondition( ) DegreeDiameterofBend(1)(2)(3)(4)OCR1180t ii)CR2180 Closeiii)CR3180 Closeiv)CR4180 Closev) ,, , , ,ifrequired,inwhichcase,thesupplierhasli mitedresponsibility, ,suchasscale,rust,blisters,lamination,pi tting,porosity, ,standarddimensionsofcoldrolledsheetsand stripsshallbeasgivenbelow:Thickness,mm= , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,thedimensionalandshapetolerancesapplica bletocoldrolledsheetsandstripsshallbeasg ivenin1S/1S016162.

5 2008 Table7 BendTestforSheets/Stripsof CR1 Grade( ) (1)(2)(3)(4)i)Hard(H) . ii)HalfHard(1/2H)1803tiii)QuarterHard(1/ 4 Hard)1802tiv)SkinPassed(SP)180tv)Anneale d(A)180t(DeadSoft) , ,hardnessandbendtests, , :a)b)c)d)e)f)Manufacturer snameortrade-mark,Qualitydesignation,Pro ductdimensions,Castoridentificationmarkb ywhichthesheetorstripmaybetracedtocastor castsfromwhichtheyweremade,Mass/Netweigh t, , , :2008 ANNEXA(F oreword)CORRELATIONOFOLDANDNEWGRADEWDESI GNATIONS/\DesignationNameoOrdinaryqualit yDDrawnqualityDDDeepdrawnqualityEDDE xtradeepdrawnquality. NewDesignation/\DesignationNameCR1 CommercialCR2 DrawingCR3 DeepdrawingCR4 ExtradeepdrawingAluminiumkilled(Non-agei ng)CR5 Extradeepdrawing(Newgradeadded)(Stabiliz edinterstitialfree)ANNEXB( )STABILITYTESTB-1 Atensiletestpieceshallbesubjectedtoatota lgaugelength,andtheload( (Pl) ,ifthethenbesubjectedtoanacceleratedagei ngtreatmentP2 P,byheatingatanominaltemperatureof100 Cforpercentageincreasesinload=~ ,calculatedontheoriginal(unstrained).

6 IS513:2008 ANNEXC(Foreword)COMMITTEECOMPOSITIONW roughtSteelProductsSectionalCommittee,MT D4 OrganizationTataSteelLtd,JamshedpurAllIn diaInductionFurnaceAssociation,NewDelhiC entralBoilersBoard,NewDelhiCentralPublic WorksDepartment(CPWD),NewDelhil)GS&D,IJh ilaiNagar/DelhiEscortsKnowledgeManagemen tCentre,FaridabadInstituteofSteelDevelop ment&Growth,KolkataJSWS teelLtd, ,Kolkata/DelhiMinistryofDefence(DGGFB),K olkataMinistryofDefence[DQA(M&E)],Ichapu rMinistryofRailways(RDSO),LucknowMinistr yofSteel(GovernmentofIndia),NewDelhiNati onalPhysicalLaboratory,NewDelhiRashtriya IspatNigamLtd(VSP),VkakhapatnsunSAIL,EJh ilaiSteelPlant,BhilaiSAIL,BokaroSteelPla nt,BokaroSAIL,CentralMarketingOrganizati on,Kolkata/BangrdoreSAIL, ,DurgapurSAIL,Research&DevelopmentCenter forIron&Steel,RanchiSAIL,RmrrkelaSteelPl ant,RourkelaSteelRe-rollin:MillsAssociat ionofIndia,MandiGobindgrrrhTataConsultin gEngineers,JamshedpurTataMotorsLimited,P uneInpersonalcapacity[403,Udaigiri,Kaush ambi,DistGhaziabad, ]131 SDirectomteGeneralRepresentative(s) (Chairman) (Alternate1) ,BHAGAT(Mterrrate11) (Alternate) (NDZ)VSUPERINTENDINGENGINEER(CentralStor e)(Afternate)WP~ (Alternate) (Allernafe) (Ahernde) (Alternate)ADDITIONALDUUXTORDEPWDUWmOR(M et/FY3cO)(Alternate)DIRECTOR(M&C)ASSISTA NTRESEARCHOFFICER(Met-II)(Alternate) (Alternate) (Alternate)% (Alternate1) (Alternate11) (MfernuteI) (Alternate11) (Alternate) (Ahernafe) (Aherwate)REPRE~ (Alternate) (Alternate) (Srmmmn)SNEHBHATLA,Scientist F &Head(MTD)n[RepresentingDirectorGeneral( Ex-o~cio)]MemberSecretatySHRIDEEPAKJAJNS cientist E (MTD),BIS9.

7 IS513:2008 FlatSteelProductsSubcommittee,MTD4:3 OrganizationTCEC onsultingEngineers,JamshedpurApexChamber sofCommerce,LudhianaEssarSteelsLtd,DistS uratFederationofEngineeringindustriesofI ndi&NewDelhiIndianOilCorporationLimited, NoidalspatindustriesLimited,DolviMarutiU dyogLtd,GurgaonSAIL,R&DCentreforIron&Ste el,RanchiSalemSteelPlant,Salem/NewDelhiT srtaSteelLtd,JamshedpurTheTinPlateCompan yofIndiaLtd,JamsbedpurThyssenkruppElectr icalSteelIndiaPvtLtd,NasikRepresentative (s) (Convener) , (Alternate) (Alternate) (Alternate) (Alternate)SHNSRWNTHSUDHIRSHIUSUNILMALHO TRA(Alternate) ,S, (A([errta(e) (Alternate) (Alternate) (~[rerrrace)10 BureauofIndianStandardsBISisastatutoryin stitutionestablishedundertheBureauofIndi anStandardsAct,1986topromoteharmoniousde velopmentoftheactivitiesofstandardizatio n, , , ,ofnecessa~details,suchassymbolsandsizes , (Publications), , ;astandardalongwithamendmentsisreaftlrme dwhensuchreviewindicatesthatnochangesare 1!needed;ifthereviewindicatesthatchanges areneeded, BISCat,alogue and standards :MonthlyAdditions.))]]

8 (4670).AmendmentsIssuedSincePublicationA mendNo,DateofIssueTextAtTeetedBUREAUOFIN DIANSTANDARDSH eadquarters:ManakBhavan,9 BahadurShahZafarMarg,NewDelhi110002 Telephones:23230131,23233375,23239402 :TelephonesCentral:Eastern:Northern:Sout hern:Western:Branches:ManakBhavan,9 BahadurShahZafarMarg{23237617 NEWDELHI110002232338411 , ,Kankurgachi{23378499,23378561 KOLKATA70005423378626,23379120 SCO335-336,Sector34-A,CHANDIGARH160022{ ,IVCrossRoad,CHENNAI600113{22541216,2254 144222542519,22542315 Manakalaya,E9 MIDC,Marol,Andheri(East){28329295,283278 58 MUMBAI40009328327891, ,Ddhi}}}}}