Designation:A706/A706M−16StandardSpecificationforDeformedandPlainLow-AlloySteelBarsforConcreteReinforcement1ThisstandardisissuedunderthefixeddesignationA706/A706M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1General—Thisspecificationcoversdeformedandplainlow-alloysteelbarsincutlengthsandcoilsforconcretereinforcementintendedforapplicationswhererestrictiveme-chanicalpropertiesandchemicalcompositionarerequiredforcompatibilitywithcontrolledtensilepropertyapplicationsortoenhanceweldability.ThestandardsizesanddimensionsofdeformedbarsandtheirnumberdesignationsaregiveninTable1.1.2Grade—Barsareoftwominimumyieldstrengthlevels:namely,60000psi[420MPa]and80000psi[550MPa],designatedasGrade60[420]andGrade80[550],respectively.1.3Plainbars,insizesuptoandincluding21⁄2in.[63.5mm]indiameterincoilsorcutlengths,whenordered,shallbefurnishedunderthisspecification.Forductilityproperties(elongationandbending),testprovisionsofthenearestsmallernominaldiameterdeformedbarsizeshallapply.Requirementsprovidingfordeformationsandmarkingshallnotbeappli-cable.1.4ControlledTensileProperties—Thisspecificationlimitstensileproperties(Table2)toprovidethedesiredyield/tensilepropertiesforcontrolledtensilepropertyapplications.1.5Welding—Thisspecificationlimitschemicalcomposi-tion(6.2)andcarbonequivalent(6.4)toenhancetheweldabil-ityofthematerial.Whenthissteelistobewelded,aweldingproceduresuitableforthechemicalcompositionandintendeduseorserviceshouldbeused.TheuseofthelatesteditionofAWSD1.4⁄D1.4Misrecommended.TheAWSD1.4/D1.4MWeldingCodedescribestheproperselectionofthefillermetals,preheat/interpasstemperatures,aswellas,performanceandprocedurequalificationrequirements.1.6Requirementsforalternatebarsizesarepresentedi...
