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1,2,2,2,2(11,116028;21,430082):;;,,,:;;;:TG16216:A:025426051(2008)0820006204HighspeedsteelrollanditsheattreatmentQIZheng2feng1,WANAn2yuan2,GANZhai2ping2,ZHAOWan2zi2,LIUYong2zhi2(11DalianJiaotongUniversity,DalianLiaoning116028,China;21RollFactoryofWuhanIronandSteelGroupCo.,WuhanHubei430082,China)Abstract:Thedevelopmentprocessofcoldandholdrollmaterials,thetypesandchemicalcompositionofhigh2speedsteelrollaswellastheproducingtechnologyandheattreatmentofhigh2speedsteelwerereviewed.Itwaspointoutthathighspeedsteelhasabigmarketinrollfield,sothatwemustpayattentiontothisproblem.Inaddition,forimprovingthequalityofhighspeedsteelroll,theproblemofcarbidesegregationandheattreatmentofhighspeedsteelmustbesolved.Keywords:high2speedsteelroll;heattreatment;sprayforming;centrifugalcasting:(1930),,,,,1207,:0411284608521E2mail:qw626870@126.com:2008204218,141,;(),,:;::Cr;:20[1],,,,1Table1Rollclassificationaccordingtorollhardness(HS)(HRC)304030406028456085456285621,,,,,111,:C,1%,2%;W,W18%,W10%;Cr,Cr4%,Cr10%20%;V,V2%,V5%62008338:,,1m;,;;,22,2(,%)Table2Chemicalcompositionofrollcastinghigh2speedsteels(wt%)No.CWMoCrVSiCoNb1115021500535474601511002221004100215520461231150215021021021041100215028483928511003100115100921001002050106115021000146464501112()(),4,,,,,,,120mm,,31133(,%)Table3Chemicalcompositionofrollforginghigh2speedsteels(wt%)CWMoCrVCo(HRC)017021511754015M201606105411060M20184610542106065M3501906105421056367M42111011509411086370M22R421105610542106368,2211:,:,,212,,[2-4],(CF)(CPC)(ESR)(ESSLM)(CF),,1,,,,,,,,,1Fig.1Schematicillustrationofcentrifugalcastingprocess72008338,,VC,NbV213,,,,,,2a,,;2b,2(a)(b)Fig.2Schematicillustrationofsprayformingtechnology(a)wholeroll(b)compoundroll,,214(HIP)33,,,,,(),3(HIP)Fig.3HIPtechnologyforproducingpowderedhigh2speedsteel,3,,,311,,1000MPa[5],:;CFVC;CPCESRESSLMCF,CFVC,NbV,44,4Table4Requiredpropertiesofhotcompoundrollcastinghigh2speedsteel(HS)/MPa/MPa853600900600900405350450350450312,,,55182421Table5Influenceofcarbideheterogeneityonbendingstrengthof182421highspeedsteel()234578/MPa35002200170010005,2,2500MPa;71000MPa,,,6,820083386Table6Propertiesofrollforginghighspeedsteel(HRC)/MPa/Jcm-2T16366250030001832M26366350040004146M356467350025M426770270038002330313,,,,4,,,,,,,[6-10],,,,411,;,412,,500,,500,,,500,500200413,550560,34,3275,,20074189,36144%[11],,,1kg,200750,,011kg,,,,,,,,,,,,,,:[1],,,.CPC·Í.Í.Ë[J].,1990(338):62266.[2],.[J].,2006(10):14219.[3].[J].,2004(9):54260.[4],.[J].,2005(2):28231.[5].[M].:,1985:683.[6],.[J].,2005(4):25229.[7],.[J].,2005(1):17219.[8],.[J].,2006(10):14219.[9],.[J].,2005(2):426.[10],.[J].,2006,31():1602162.[11].[A].2008[C].2008:24233.92008338