Designation:A564/A564M–04StandardSpecificationforHot-RolledandCold-FinishedAge-HardeningStainlessSteelBarsandShapes1ThisstandardisissuedunderthefixeddesignationA564/A564M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversbarsandshapesofage-hardeningstainlesssteels.Hot-finishedorcold-finishedrounds,squares,hexagons,barshapes,angles,tees,andchannelsareincluded;theseshapesmaybeproducedbyhotrolling,extruding,orforging.Billetsorbarsforreforgingmaybepurchasedtothisspecification.1.2Thesesteelsaregenerallyusedforpartsrequiringcorrosionresistanceandhighstrengthatroomtemperature,orattemperaturesupto600°F[315°C];700°F[370°C]forType632;840°F[450°C]forTypeUNSS46910.Theyaresuitableformachininginthesolution-annealedconditionafterwhichtheymaybeage-hardenedtothemechanicalpropertiesspeci-fiedinSection7withoutdangerofcrackingordistortion.TypeXM-25ismachinableintheas-receivedfullyheattreatedcondition.TypeUNSS46910issuitableformachininginthesolution-annealed,cold-worked,andaged-hardenedcondition.1.3Types631and632containalargeamountofferriteinthemicrostructureandcanhavelowductilityinforgingsandlargerdiameterbars.Applicationsshouldbelimitedtosmalldiameterbar.1.4Thevaluesstatedineitherinch-poundunitsorSI(metric)unitsaretoberegardedseparatelyasstandards;withinthetextandtables,theSIunitsareshownin[brackets].Thevaluesstatedineachsystemarenotexactequivalents;there-fore,eachsystemmustbeusedindependentoftheother.Combiningvaluesfromthetwosystemsmayresultinnoncon-formancewiththespecification.1.5Unlesstheorderspecifiesan“M’’designation,thematerialshallbefurnishedtoinch-poundunits.NOTE1—Forforgings,seeSpecificationA705/A705M.NOTE2—ForbilletsandbarsforforgingseeSpecificationA314.2.ReferencedDocuments2.1ASTMStandards:3A314SpecificationforStainlessSteelBilletsandBarsforForgingA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA484/A484MSpecificationforGeneralRequirementsforStainlessSteelBars,Billets,andForgingsA705/A705MSpecificationforAge-Hardening,StainlessSteelForgingsA751TestMethods,Practices,andTerminologyforChemicalAnalysisofSteelProductsE527PracticeforNumberingMetalsandAlloys(UNS)2.2OtherDocuments:SAEJ1086RecommendedPracticeforNumberingMetalsandAlloys(UNS)43.OrderingInformation3.1Itistheresponsibilityofthepurchasertospecifyallrequirementsthatarenecessaryformaterialorderedunderthisspecification.Suchrequirementsmayincludebutarenotlimitedtothefollowing:3.1.1Quantity(weightornumberofpieces),3.1.2TypeorUNSdesignation(Table1),3.1.3Specificmelttypewhenrequired,3.1.4Heattreatedcondition(5.1),3.1.5Transversepropertieswhenrequired(7.6),3.1.6Finish(SpecificationA484/A484M),3.1.7Surfacepreparationofshapes(5.2.1),3.1.8Size,orapplicabledimensionincludingdiameter,thickness,width,length,etc.,3.1.9Preparationfordelivery(SpecificationA484/A484M),18ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteel,andRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.17onFlatStainlessSteelProducts.CurrenteditionapprovedMarch1,2004.PublishedMarch2004.Originallyapprovedin...
