Designation:A562/A562M−10(Reapproved2015)StandardSpecificationforPressureVesselPlates,CarbonSteel,Manganese-TitaniumforGlassorDiffusedMetallicCoatings1ThisstandardisissuedunderthefixeddesignationA562/A562M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecification2coverstitanium-bearingcarbonsteelplatesintendedforweldedglasslinedpressurevesselsorotherapplicationswherethepresenceoffree-ironcarbidewouldbedeleterioustothecoating.Aminimumspecificratiooftitaniumtocarbonisspecified.1.2Themaximumthicknessofplatesislimitedto2in.[50mm].1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecifi-cation.2.ReferencedDocuments2.1ASTMStandards:3A20/A20MSpecificationforGeneralRequirementsforSteelPlatesforPressureVessels3.GeneralRequirementsandOrderingInformation3.1MaterialsuppliedtothismaterialspecificationshallconformtoSpecificationA20/A20M.Theserequirementsout-linethetestingandretestingmethodsandprocedures,permit-tedvariationsindimensions,andmass,qualityandrepairofdefects,marking,loading,andorderinginformation.3.2Inadditiontothebasicrequirementsofthisspecification,certainsupplementaryrequirementsareavailablewhenadditionalcontrol,testing,orexaminationisrequiredtomeetenduserequirements.3.3IftherequirementsofthisspecificationareinconflictwiththerequirementsofSpecificationA20/A20M,therequire-mentsofthisspecificationshallprevail.4.Manufacture4.1SteelmakingPractice—Thesteelshallbekilled.5.HeatTreatment5.1Platesshallbethermallytreatedtoproducegrainrefinement,eitherbynormalizingorheatinguniformlyforhotformingataminimumt...