Designation:A592/A592M−10(Reapproved2015)StandardSpecificationforHigh-StrengthQuenchedandTemperedLow-AlloySteelForgedPartsforPressureVessels1ThisstandardisissuedunderthefixeddesignationA592/A592M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecification2covershigh-strengthquenchedandtemperedlow-alloysteelforgedpartsforpressurevessels.Themaximumthicknessofforgingsunderthisspecificationshallbe11⁄2in.[38mm]forGradeA,and4in.[100mm]forGradesEandF.NOTE1—ThesegradesaresimilartocorrespondinggradesinSpecifi-cationA517/A517M.1.2Althoughnoprovisionismadeforsupplementaryre-quirementsinthisstandard,thesupplementaryrequirementsinSpecificationA788/A788Mmaybeconsideredbythepur-chaser.1.3Weldingtechniqueisoffundamentalimportanceanditispresupposedthatweldingprocedureswillbeinaccordancewithapprovedmethodsfortheclassofmaterialused.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Unlesstheorderspecifiestheapplicable“M”specifica-tiondesignation,thematerialshallbefurnishedtotheinch-poundunits.2.ReferencedDocuments2.1ASTMStandards:3A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA517/A517MSpecificationforPressureVesselPlates,AlloySteel,High-Strength,QuenchedandTemperedA788/A788MSpecificationforSteelForgings,GeneralRe-quirementsE112TestMethodsforDeterminingAverageGrainSize3.OrderingInformationandGeneralRequirements3.1InadditiontotheorderinginformationrequiredbySpecificationA788/A788M,thepurchasershallincludewiththeinquiryandorderthefollowinginformation:3.1.1Adetaileddrawing,asketch,orwrittendescriptionoftheforging.3.1.2Thecharp...
