临氢设备用12Cr2Mo1R厚钢板临界厚度研究

30220094TRANSACTIONSOFMATERIALSANDHEATTREATMENTVol.30No.2April200912Cr2Mo1R1,2,2,2,2,1(1.,110006;2.,201900):12Cr2Mo1RABAQUS,ABAQUS12Cr2Mo1R,12Cr2Mo1R,CCT,12Cr2Mo1R,50mm50mm12Cr2Mo1R,:;12Cr2Mo1R;;:TG14211:A:100926264(2009)0220192203Determinationofcriticalthicknessof12Cr2Mo1RheavyplateforequipmentsundercriticalhydrogenJIANGHong2sheng1,2,SONGDong2li2,ZHANGHan2qian2,CONGYu2,WANGGuo2dong1(1.StateKeyLaboratoryofRollingTechnologyandAutomation,NortheasternUniversity,Shenyang110006,China;2.BaoshanIron&SteelCoLtd,Shanghai200900,China)Abstract:TheABAQUSsoftwarewasusedtosimulateaircoolingprocessofthe12Cr2Mo1Rheavyplateswithdifferentthicknessfortheequipmentundercriticalhydrogenafterverificationtestingbyimbeddingthermocouplesintoasampletomonitorthetemperatureduringcoolingprocess.Thecoolingratesindifferentpositionsintheplatesareobtained.Thecriticalthicknessoftheplate,forwhichbainitemicrostructurepredominatesinthecentralzonealongplatethicknessdirectionafternormalizinginairisdeterminedtobe50mmfromthesimulationresultsbyreferringtothecontinuouscoolingtransformation(CCT)diagramofthe12Cr2Mo1Rsteelandthemanufacturingconditions.The50mmcriticalthicknessfor12Cr2Mo1Rheavyplateisprovedtobereliablebyverifyingthemicrostructureandmechanicalpropertyoftheplateindustriallyproduced.Keywords:equipmentsundercriticalhydrogen;12Cr2Mo1Rsteel;criticalthickness;heavyplate:2008204208;:2008208204:(1962),,;E2mail:[e-mail],12Cr2Mo1R,12Cr2Mo1R(90%),,12Cr2Mo1R,,12Cr2Mo1R,,,,,12Cr2Mo1R,,[122],12Cr2Mo1R,12Cr2Mo1R,ABAQUS,,CCT,111112Cr2Mo1R,1CCT112Cr2Mo1RTable1Chemicalcompositionof12Cr2Mo1Rsteel(wt%)CSiMnPSCrMoFe0113019901490100701002221340199Bal.112CCT8mm12mm,THERMECMASTOR2Z:930,10min012Ps015Ps1Ps2Ps510Ps20Ps30Ps,,,CCT11350mm120mm200mm1,10mm4mm,1P2,,85012008930,30min,1Fig11Schematicdiagramoftemperaturemeasurementbyimbeddingthermocouplesintothecenterofsample2211ABAQUS,,930,2521212Cr2Mo1R,ABAQUS930:8000mm,3000mm,3040506070mm603311CCTCCT22,CCT:015Ps,+(5%)015110Ps,10Ps,650720212Cr2Mo1RCCTFig12Thestaticcontinuouscoolingtransformation(CCT)diagramof12Cr2Mo1Rsteel3123012,3cal3(a);(b)Fig13Comparisonofbothresultsofmeasureandcalculation(a)Temperaturechangewithtime;(b)coolingrate3,,,ABAQUS,3133912:12Cr2Mo1R412Cr2Mo1R(1P2),4,,;,,,900,,;50mm,8600166Ps,8607200144Ps,7206500119Ps412Cr2Mo1RFig14Thesimulationresultsofthecoolingprocessforthe12Cr2Mo1Rheavyplatewithdifferentthickness3142CCT,,015Ps95%,,,50mm,(860720)015Ps,,(720650)015Ps,60mm,(860720)015Ps,,12Cr2Mo1R50mm50mm12Cr2Mo1R,31593050mm12Cr2Mo1R,,(1P2),55,50mm12Cr2Mo1R,550mm12Cr2Mo1R+Fig15Microstructureinthecenterzoneafternormalizingandtemperingforthe12Cr2Mo1Rhervyplatewith50mmthicknessinmassindustrialproduction50mm12Cr2Mo1R,-30353J,(vTr54+215vTr54)-11550mm12Cr2Mo1R,50mm12Cr2Mo1R41)ABAQUS12Cr2Mo1R,ABAQUS;2)12Cr2Mo1R,,,,;3)CCT,12Cr2Mo1R50mm50mm12Cr2Mo1R,50mm12Cr2Mo1R,[1],.10CrMo910[J].,1999,5(1):5-11.ZHANGYing2jie,YANGHai2lin.Researchanddevelopmentof10CrMo910plateforpressurevessel[J].WideHeavyPlate,1999,5(1):5-11.[2],.2125Cr21Mo[J].,2001,28(3):135-137.WANGShun2hua,XUEWei.Researchontheheattreatmentprocessofdomestic2125Cr21Mosteelplates[J].ChemicalEngineering&Machinery,2001,28(3):135-137.49130