Designation:A915/A915M−08(Reapproved2013)StandardSpecificationforSteelCastings,Carbon,andAlloy,ChemicalRequirementsSimilartoStandardWroughtGrades1ThisstandardisissuedunderthefixeddesignationA915/A915M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverscarbonandlowalloysteelcastingshavingchemicalanalysessimilartothatofthestandardwroughtgrades.1.2SeveralgradesarecoveredandaredesignatedbychemicalcompositionshowninTable1.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3.1Withinthetext,theSIunitsareshowninbrackets.1.3.2Inch-poundunitsareapplicableformaterialorderedtoSpecificationA915andSIunitsformaterialorderedtoSpecificationA915M.2.ReferencedDocuments2.1ASTMStandards:2A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA781/A781MSpecificationforCastings,SteelandAlloy,CommonRequirements,forGeneralIndustrialUse3.OrderingInformation3.1Ordersformaterialunderthisspecificationshouldincludethefollowinginformation:3.1.1Quantity,3.1.2Specification,includingyear,date,andgrade,3.1.3Descriptionofthecastingbypatternnumberordrawing.Dimensionaltolerancesshallbeincludedonthecastingdrawing,3.1.4Optionsinthespecification,and3.1.5Supplementaryrequirementsdesired,includingstan-dardsofacceptance.4.HeatTreatment4.1GradesSC1020andSC1025maybesuppliedunheattreatedorheattreatedasdescribedin4.2.4.2Castingsshallbeheattreatedeitherbyfullannealing,normalizing,normalizingandtempering,orquenchingandtempering.Unlessotherwisespecifiedintheinquiry,contract,ororder,thecastingsmaybeheattreatedbyanyoftheseheattreatmentsorcombinationoftheseh...