Designation:A1035/A1035M−16bStandardSpecificationforDeformedandPlain,Low-Carbon,Chromium,SteelBarsforConcreteReinforcement1ThisstandardisissuedunderthefixeddesignationA1035/A1035M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversdeformedandplainlow-carbon,chromium,steelbars,incutlengthsandcoilsforconcretereinforcement.Thesebarsarefurnishedinthreealloytypesdependingonthechromiumrangecontent.ThestandardsizesanddimensionsofdeformedbarsandtheirnumberdesignationsaregiveninTable1.21.2Barsareoftwominimumyieldstrengthlevelsasdefinedin9.2:namely,100000psi[690MPa],and120000psi[830MPa]designatedasGrade100[690]andGrade120[830],respectively.1.3Barsarefurnishedtothreedifferentchemicalcompositions,designatedasAlloyTypeCL,CM,andCS.ChemicalcompositionsareshowninTable2.1.4Plainbars,insizesuptoandincluding2.25in.[57.2mm]21⁄2in.[63.5mm]indiameterincoilsandcutlengths,whenorderedshallbefurnishedunderthisspecificationinGrade100[690]andGrade120[830].Forductilityproperties(elongationandbending),testprovisionsofthenearestsmallernominaldiameterdeformedbarsizeshallapply.Requirementsprovidingfordeformationsandmarkingshallnotbeappli-cable.NOTE1—Weldingofthematerialinthisspecificationshouldbeapproachedwithcautionsincenospecificprovisionshavebeenincludedtoenhanceitsweldability.Whenthissteelistobewelded,aweldingproceduresuitableforthechemicalcompositionandintendeduseorserviceshouldbeused.NOTE2—Designersneedtobeawarethatdesigncodesandspecifica-tionsmaynotrecognizetheuseoftheNo.20[64]bar,thelargestbarsizeincludedinthisspecification.StructuralmembersreinforcedwithNo.20[64]barsmayrequireapprovalofthebuildingofficialorotherappropriateauthorityandrequirespecialdetailingtoensureadequateperformanceatserviceandfactoredloads.1.5Requirementsforalternatebarsizesarep...