组织性能预报系统在宝钢2050热轧生产线的在线应用

41320063IronandSteelVol.41,No.3March200620501,1,2,2,3,3(1.,100081;2.,110004;3.,200941):2050,101000,205020()21MPa(),:;;:TG335.11:A:04492749X(2006)0320039205On2lineApplicationofStructureandPropertyPredictionSystemonHotRollingLineon2050HSMatBaosteelGANYong1,LIUZheng2dong1,WANGGuo2dong2,WUDi2,WANGWei3,ZHANGPi2jun3(1.CentralIronandSteelResearchInstitute,Beijing100081,China;2.NortheastUniversity,Shenyang110004,Liaoning,China;3.TechnicalCenter,BaoshanIronandSteelGroupCorporation,Shanghai200941,China)Abstract:Anintegratedprocessmodelsystem,orstructureandpropertypredictionsystemforthe2050hotstriprollingmill(HSM)wasdevelopedatBaosteel.Thesystemwasverifiedandoptimizedagainstmorethan1000in2dustrialheatsofabout10steelgradesandrunson2lineindustriallysuccessfully.Thedifferencebetweenpredictedandmeasuredtemperatureandstrengthis20(on2line)and21MPa(off2line)respectively.Meanwhile,thedevelopmentroadmapofthetechnologyinthefutureisdiscussed.Keywords:continuoushotrolling;structureandpropertyprediction;on2lineapplication:(863)(2001AA339030),(50334010):(19472),,,;E2mail:[e-mail];:20052122282070[1]2090(DOE)(AISI),(UBC)14(AISI2HSMM),[2]209011(VAI)(VAI2Qstrip)[3],2001,()2050,2005,,,3:();();(),,,©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Q2HSM)2050,,3,2050,1()/,/,,,2Q2HSMQ2HSM2050,,,,Q2HSM,,,7090s120s,Q2HSM2,()(),,,,12050Fig.1Configurationofprocessmodelsystemof2050HSMatBaosteel04©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(C2MnIFX70)1000,/370,,20,,44166300100,,,,400MPa21MPa,:,;;;,;;,,,321,,,,2:,(ERP),;,,,5ERP51030(POSCO14©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a);(b);(c);(d)44166300100Fig.4ThermalprofileofcoilNO.4166300100duringhotrolling5Fig.5Schematicofdevelopmentroadmapofmodelingforhotrollingprocess),,,:,,6--,6Fig.6Schematicofmasscustomizedproductionofhotrolledproducts,::;;:24©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:/;,,,,,,4(1)2050(2)20()21MPa()863:[1]SellarsCM,WhitemanJA.RecrystallizationandGrainGrowthinHotRolling[J].MetalScience,1979,324:1872194.[2]SamarasekeraIV,JinDQ,BrimacombeJK.TheApplicationofMicrostructuralEngineeringtotheHotRollingofSteel[A].38thMWSPConf.Proc.[C].ISS,1997.34:3132327.[3]AndorferJ,HribernigG,LugerA,etal.FortheFirstTimeEver:FullMetallurgicalControloftheMechanicalPropertiesofHot2RolledStripWithVAI2QStrip[J].IronandSteel,2001,36(1):42246.2200531304t,28119%,2,,11/(kgt-1)/(kgt-1)/(kgt-1)/(tm-3d-1)/%/%/%/2003433526118214741186092141581491082200442752611621516118509310258121107420054125221242162411845911455810310842824502014121101536100100601091129583606011740510237719050149914871,,,,,,300m3700,1t,(1),,10,,2004(1)400kg/t,,2005:282kg/t(288kg/t)338kg/t(347kg/t)351kg/t(349kg/t)354kg/t(399kg/t10)350kg/t(375kg/t4)367kg/t(375kg/t7)368kg/t369kg/t370kg/t(388kg/t8)370kg/t2004,3369kg/t,6373kg/t,9399kg/t(2)500kg/t,,2005:450kg/t(450kg/t)466kg/t(487kg/t)483kg/t(481kg/t)484kg/t(487kg/t4)486kg/t(493kg/t6)487kg/t(490kg/t5)492kg/t496kg/t(503kg/t9)496kg/t502kg/t(495kg/t7)2004,502kg/t8,504kg/t10(3),200510,,,(50)34©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.