Designation:A982/A982M−10(Reapproved2015)StandardSpecificationforSteelForgings,Stainless,forCompressorandTurbineAirfoils1ThisstandardisissuedunderthefixeddesignationA982/A982M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversstainlesssteelforgingsforcompressorandturbinebucket,blade,andairfoilapplications.1.2Thisspecificationisexpressedinbothinch-poundunitsandinSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMdesignation(SIunits),theinch-poundunitsshallapply.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combin-ingvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:2A275/A275MPracticeforMagneticParticleExaminationofSteelForgingsA788/A788MSpecificationforSteelForgings,GeneralRe-quirementsE112TestMethodsforDeterminingAverageGrainSizeE292TestMethodsforConductingTime-for-RuptureNotchTensionTestsofMaterialsE381MethodofMacroetchTestingSteelBars,Billets,Blooms,andForgingsE562TestMethodforDeterminingVolumeFractionbySystematicManualPointCount3.OrderingInformation3.1InadditiontotheorderinginformationrequiredbySpecificationA788/A788M,thepurchasershallincludeasketchorwrittendescriptionoftheforgingwiththeinquiryandorder.4.GeneralRequirements4.1MaterialssuppliedtothisspecificationshallconformtotherequirementsofSpecificationA788/A788M,whichout-linesadditionalorderinginformation,manufacturingrequirements,testingandretestingmethodsandprocedures,marking,certification,productanalysisvariationsandaddi-tionalsupplementaryrequirements.4.2Iftherequirementsofthisspecificationareinconflictwiththere...
