Designation:A723/A723M−10(Reapproved2015)StandardSpecificationforAlloySteelForgingsforHigh-StrengthPressureComponentApplication1ThisstandardisissuedunderthefixeddesignationA723/A723M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecification2coversrequirementsforhigh-strengthquenchedandtemperedalloysteelforgingsforpres-surevessels,isostaticpresses,shocktubes,andsimilarcom-ponents.1.2Thesematerialsarenotintendedforweldedconstruc-tion.1.3Threegradesofnickel-chromium-molybdenumsteelsandsixclassesofincreasingtensilestrengthareincluded.Thestrengthclass,sectionsize,andconfigurationoftheforgingwilllargelydictatetheapplicabletype(s)ofsteel.1.4Thevaluesstatedineitherinch-poundunitsorSI(metric)unitsaretoberegardedseparatelyasthestandard.Withinthetextandtables,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnoncon-formancewiththespecification.1.5Unlesstheorderspecifiestheapplicable“M”specifica-tiondesignation,thematerialshallbefurnishedtotheinch-poundunits.2.ReferencedDocuments2.1ASTMStandards:3A275/A275MPracticeforMagneticParticleExaminationofSteelForgingsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA388/A388MPracticeforUltrasonicExaminationofSteelForgingsA788/A788MSpecificationforSteelForgings,GeneralRe-quirements2.2OtherStandards:ASMEBoilerandPressureVesselCode43.OrderingInformationandGeneralRequirements3.1InadditiontotheorderinginformationrequiredbySpecificationA788/A788M,thepurchasershallincludewiththeinquiryandorderadetaileddrawing,sketch,orwrittendescriptionoftheforgingandthemethodofselectingtestlocation(see6.2).Whenappropriate,theareasofsignificantloadingintheforgingshallbedesignated.Thepurchaserm...
