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1232.11%456+11++789103020HRC5458HRC20251452Ac350345MAS201dabcd2ca16Mn1520Cr1Cr1312Cr2Ni4Ab4540Cr65MnT12c1520Cr18Cr2Ni4WA20CrMnTi316mmcT10A,KTZ450-06,HT200HT200PFG40Cr,20CrMnTi,60Si2Mn20CrMnTiCmMAFMGCr15,Cr12,QT600-2GCr15CmMA9SiCr,T12,W18Cr4VT12CmMA45,60Si2Mn,T1060Si2MnTW18Cr4V65Mn,20W18Cr4VCmMA1Cr13,16Mn,Q19516Mn,FPH70,ZSnSb11Cu6,T8ZSnSb11Cu6a+SnSbQ235,1Cr18Ni9Ti,ZGMn131Cr18Ni9TiAQT600-3,45,ZL101QT600-3SGa45b60Si2Mnc40Cr4aaT12bCr12Moc655babc6ca60b40Crc20CrMnTi76565Mn50CrVca+b++c+8dabcd91Cr18Ni9Tibabc10ba20CrbZGMn133cW18Cr4V111285013()14()15()16()1726418++19C()200.9%()21-Fe,-Fe,-Fe,22()23-Fe-Fe-Fe24150200250400400550252627A1MsMf2829HBHRHV30esb313233L+L34353637Mn,PMn,TiTi,V3839++(+))40Q23565MnT1241425502505502504344ZGMn1345CoCrMn46-Fe-Fe-Fe4712348()4918850Fe-Fe3CA1ECFAcm2014112131412511113(5)234(6)5P166T9,T9A,T10,T10A,T11,T11AQ195,Q215,Q23530354045507123489101112TiAlCN121314411213141156111111164112131Cr1175(1)E2s34k(5)HRC1E12s1314k15HRC1221121.2%780860VK18602860Accm3860AccmMsMf4860Accm57801.2%Ac1+(30_50)78020CrMnTiC%=0.2%,Cr,Mn,Ti1.5%340CrC%=0.4%,Cr1.5%265MnC%=0.65%,Mn1.5%2Cr12MoVC%1%,Cr=12%,Mo,V1.5%2GCr15MoC%1%,Cr=1.5%,Mo1.5%2W6Mo5Cr4V2W%=6%,Mo%=5%,Cr%=4%,V%=2%5603T10C%1%25CrMnMoC%=0.5%,Cr,Mn,Mo1.5%2HT30021000101000,,A1CCCT4006504006501234567891011-Fe121314151617181920VkVk212223242526272829++303132333435VkVk36373839C404142434445464748495051525354555657-Fe-Fe58596061626364656667686970710.77%072737475767778798081828384858687888990911DABCD2CoCBAVKBCD3CABCD4AABCD5AAAcl+3050CBAc3+3050CCAccm+3050CDT+3050C620CrMnTiDAB+CD+7BABCD845CA+B+CD9CABCD10Fe-Fe3CDA0.0008%B0.021%C0.77%D2.11%11Fe-Fe3CBA0.02%B0.77%C2.11%D4.3%12DAQ235B45C60Si2MnDT1213DAGCr15BW18Cr4VC40CrDYT1514CAL+BL+C+D+15DA20CrMnTiB40CrBW18Cr4VD1Cr18Ni9Ti16BABCD17CAF+GBF+P+GCP+GDLd+G18DABCD19DABCD20CAGCr15BW18Cr4VC1Cr18Ni9TiD9SiCr21CAF+Fe3CIIIBF+PCP+Fe3CIIDP+Fe3CIII22AAQ235B40CrCGCr15D4523DABCD24GCr15AA+B++C+D++25CABCD26DAM+KBP+FCBDM+P2745BA+B+C++D+2845BABCD+29AABCD30BABCD31DABCD32BABCD33AABCD34AABCD35BABCD36CABCD37AABCaD38CA45B20CrMnTiC16MnDW18Cr14V3945AAAc3BAC3CDVK40CABCD41AABCD42DABCDVK43DABBCD44CABCD45AA20CrMnTiB40CrCGCr15DQ23546.CA.T12B.9SiCrC.W18Cr4VD.YG347.,CA.B.C.D.48.BA.9SiCrB.CrWMnC.Cr12MoVD.5CrMnMo49.CA.M+KB.M+A+KC.M+A+KD.S+A+K50.AA.B.C.D.51.CA.B.C.D.52.,AA.LF21B.LY11C.LC6D.LD1053.,DA.B.ABSC.D.54.40CrCA.40%B.4%C.0.4%D.0.04%55.,?CA.B.C.D.56.,AA,B.C.D.57.AA.B.C.D.58.,?CA.B.C.D.59.,DA.Ac1B.Ac1Ac3C.Ac3D.Ac3+305060.T8,CA.MB.M+AC.M+B+AD.M+T+A61.AA.B.C.D.62.CA.+B.+C.D.63.,AA.GCr15B.CrL12C.1Cr13D.1Cr18Ni9Ti64DA.GCr15B..Cr12MoVC.1Cr13D.1Cr18Ni9Ti65.AA.ZL102B.ZL202C.ZL301D.ZL40266.CA.B.C.D.1.Fe-Fe3C,2.11%,22.64%.2.3.,4.1Cr18Ni9Ti,,,(CrFe)23C6,.5.,20%-25%,6.,,,,,,.7.F+G,F+P+G,P+G8.9.,10.,11.,12.,SP,P,S13.14.,15.,,,Co16.,17.,18.,19.QT600-3,QT,600600MPa,33%20.21.,,,,22.,,,,,23.Fe-Fe3C,,,LB+HDAJ,LCDAE+Fe3C,ASDFP+Fe3C24.60Si2Mn,,25.,26.27.,28.,,29.65Mn60Si2Mn,,30.ZGMn13,,31.,,,32.,33.,34.,35.,,36.20CrMnTi(),40Cr,9SiCr,ZGMn1337.,38.912,912,1394,139439.,,40.41.,,42.,FA,PLd,Fe3C43.Fe-Fe3CAF44.,FAFe3C,PLd45.:F,F+P,P+Fe3C,P+Ld+Fe3CLd+Fe3C46.16801054,115447.,48.,49.,,,50.,,51.WCTiC52.Ac353.,,54.,55.,56.,57.,,,,,58.,59.60.,61.,,62.1538,997,109763.64.65.66.,67.68.69.,,,70.,A,P,Cm71.FCm,72.0.77%,73.,,74.45Ac1,0.44%,,75.76.45Ac1F+A,F________%,A________%77.Ac3,3050,Accm305078.79.,,+80.,81.,,82.,83.84.85.,86.87.,,88.89.LG5,LY12--,ZL10290.,91.,1.,,?.,,2.T12,45,,,.T12,45,,3.,,.Ms-Mf4.,.Ac3+30-50Ac1+30-50;;;5.,?123456.,(1)15.(2)T12.(3)60.1237.40MnB,,,?.+123+8.?.12N39.T126010Fe-Fe3C.P161.2.16ESPQ11.C,C.P401.3.1112.20T10,,.20T1020T1020T1013.,,().:,,,,,,.:60Si2Mn,ZQSn6-6-3,QT600-2,T12A,40Cr,HT200,16Mn,20CrMnTi.16Mn40Cr60Si2Mn+ZQSn6-6-320CrMnTiHT200QT600-214.(20mm),(1),(2),(3):(4).:16Mn,20CrMnTi,45,40Cr,40CrNiMo,T12,6,5120CrMnTi23+15.?,()1Q345220CrMnTi340Cr460Si2Mn60Si2CrVA50CrVA5GCr15GCr15SiMn+1.5301Vk2bS3FA4Wc=2.11%567C8HBS210-2409101120401213141516Fe-Fe3CPSK171819201_________________________________2______________________3AECF___________ES___________4_________________________________________10CWc(%)bsMPaWc(%)bs(MPa)60Si2MnQT900-29SiCrQ345T12HT20020CrMnTiZG200-400W18Cr4VQ235ACA6140251234C5+67Vk89WC=2.11%10bs101()A.Q345BB.08FC.W6Mo5Cr4V2A2()A.ZGMn13B.W18Cr4VC.40Cr3()A.20CrMnTiB.W18Cr4VC.60Si2Mn4()A.B.C.5()A.B.C.20W18Cr4V20CrMnTiQ345HT20060Si2MnT1245301CA6140215123456789Q3451200x6000x8mm20-40602015706003535815:1.5301---------2------3---------4---------5---------6---------7---------8---------9---------10------11------12------13-----14-------15-------:2,201ABCD2AAc3+(3050)BACcm+(3050)CAc1+(3050)3,()ABC4ABC5,,ABC6AFeBAlCCu7ABC8ABC9ABC10ABC:,;2,201HRC.2.3,,.4.5.6.7.8.9600.10,.:1,15Q23545T10QT45010GCr15W18Cr4V..151.530123456789101112131415161718192022012F(Fe3C)3410C22a------b------c------d------130Wc(%)bsMPa60Si2Mn0.6%QT900-2b=900450.45%Q345s=345T121.2%HT200b=20020CrMnTi0.2%ZG200-400b=400s=200W18Cr4V1.0%Q235AAb=23520+2512345678910101B2B3A4A5A20W18Cr4V20CrMnTiQ345HT20020060Si2MnT1245(30)1140Cr2+,,2120CrMnTi2+(15)1T82HT1503KTZ550044QT60035T126GCr15760Si2Mn8Q3459W18Cr4V23010.2%2345678