Designation:A696−90a(Reapproved2012)StandardSpecificationforSteelBars,Carbon,Hot-WroughtorCold-Finished,SpecialQuality,forPressurePipingComponents1ThisstandardisissuedunderthefixeddesignationA696;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecification2covershot-wroughtandcold-finishedspecialqualitycarbonsteelbars,instraightlengthsonly,subjecttomechanicalpropertyrequirementsandintendedforuseinmanufacturingcomponentsforpressurepipingandotherpressure-containingapplications.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:3A29/A29MSpecificationforSteelBars,CarbonandAlloy,Hot-Wrought,GeneralRequirementsforA370TestMethodsandDefinitionsforMechanicalTestingofSteelProducts3.Classification3.1Thebarsarefurnishedintwogradesasfollows:3.1.1GradeB—Tensilestrength60000psi(415MPa),minimum;yieldstrength35000psi(240MPa),minimum.3.1.2GradeC—Tensilestrength70000psi(485MPa),minimum;yieldstrength40000psi(275MPa),minimum.3.2Thebarsareintendedformachining,welding,hotforming,andthreadingbymachiningorcoldrolling.4.OrderingInformation4.1Ordersformaterialunderthisspecificationshouldincludethefollowinginformation:4.1.1Quantity(weightornumberofbars),4.1.2Nameofmaterial(carbonsteelbars),4.1.3Condition:hotwroughtorcoldfinished(5.4.1),4.1.4Finish(ifdescaledrequired,sostate)(9.1),4.1.5Dimensions(diameter,thickness,width,andlength),4.1.6Crosssection(round,square,hexagon),4.1.7ASTMdesignationanddateofissue,4.1.8Grade(Table1andTable2),4.1.9Enduse,and4.1.10Additionstothespecificationandsupplementaryrequirements,ifrequired.NOTE1—Atypical...