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NaoshiAyukawa,YoshioTerada,TakuyaHara,HitoshiAsahi(NipponSteelCorporation):X80,(X100X120),(HAZ)(),,,,(TMCP),,:X80X100X120;UOE;;-;:TG142.1:B:1001-3938(2005)02-0050-111,,(HSS),,,(),11,,2080X80,90X100,,X1202X80X100,,2,205282200532.1(HSS),,,,RH(KIP:Kimitsu),,KIP2.2,,,X1002.3TMCP()TMCP(CE)(ACC),31(DQT)2(ACC),2-,,,,(CR)4,,(CR)(ACC)(CRTMR)40MPa342.4[1-7],(HAZ)(),5[8]800500(t8/5),-,;,15282NaoshiAyukawa:M/A,,X80Xl00,5,,M/A,111M/A(a)(b)2(,TiOTiO)(a)TiN(b)Ti0(IGF)3,,6,(TiN),(TiN),,1400,TiN,,6(a)(GCHAZ)TiO(HAZ)TiO,,TiO,(IGF)TiO,6(b)7(a)[2],(IGF)(GCHAZ)(HAZ)Ti2O323mTiOMnSTiN,6(TMCP)725200538V[2]TiN(2),1400,,1400,TiNTiO(2),1400,,1400,TiOTiNTiO,1350,82TiOTiN%w(C)w(Si)w(Mn)w(P)w(S)TiO0.070.251.810.0080.001TiN0.070.251.810.0080.001w(Nb)w(Ti)w(Al)w(N)TiO0.0390.0170.0030.002TiN0.0390.0170.0190.003(TiO),,,,(GCHAZ),,6(c),(IGF),(CGHAZ),[4]9TiO,140060s,[4]9,,TiO,500m,,200m9TiO()10[4]TiN1/102,10,10()35282NaoshiAyukawa:1112X60TiN[7],1400,85050054s,76020mmUOE,11X60TiN12X60TiNX100,,X100M/A13X100[6]X1001400,85050028s,76020mmUOE,,X1001314w(C)0.036%,0.056%0.072%X100[6],w(C)0.056%0.072%,14M/A4520053M/Aw(C)0.04%,M/A,3UOEX80X100UOE,3X80X100UOE3X80X100C-Mn-Nb-TiX80TiO,,,X100UOE4X80X100UOE4:API5L,UOE(X80,13.9mm;X100,)(Rt0.5/Rm)0.85%;Au(uniformelongation)10%(X80)7%(X100,),5%(X100,);Battelle(BDWTT)3X80X100UOE%w(C)w(Si)w(Mn)w(P)w(S)w(Nb)w(Ti)CEPcmX80TiO0.060.251.850.0150.0020.050.020.420.18TiO0.060.261.810.0050.0020.040.010.410.17TiO0.060.121.940.0100.0020.020.010.430.18X1000.030.201.960.0050.0020.040.010.600.220.060.221.960.0070.0020.040.010.460.19:CE=C+Mn/6+(Ni+Cu)/15+(Cr+Mo+V)/5;Pcm=C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5B4X80X100UOED/mmt/mmt/D/%Rt0.5/MPaRm/MPaA/%Au/%(Rt0.5/Rm)/%//JBDWTT/SA/%X80TiO91425.42.862260169170041405.86.99086-30253-1090TiO61013.92.3567592730758333311.011.078780-402112000-2010094106719.11.853956065066939386.17.98384-20-402552320-2010093X10076219.12.569679982085620195.15.08593-10-30212197-10-20968476214.31.863269478579419216.77.38187-10-40242205-10-20100100132122.91.763271977280323247.07.68290-10-302502220-209382:19.125.4mmX80API;13.9mmX80X10015X8019.3mmUOE1/4(),16,X10014.3mmUOE1/4()[6],23mM/A55282NaoshiAyukawa:15X80()16X100()5X80X100UOE5:;5X80X100UOE/mm/mm1)Rm/MPa2)//J/JX80TiO91425.4704-30152124TiO610106713.919.1735647-40150164129115X10076219.114.3875782-30-10112196148141:1);2),,17TiO19.1mmX80UOE,-40,17X80UOE18TiO19.1mmX80UOECTODBS7748(50%HAZ-50%WM)-30CTOD0.4mm,,TiO19X10014.3mmUOE[6],,210HV10,10%,,,18X80UOE19X100UOE6520053GMAWX80610mm13.9mmUOE2021X80UOE,2mm,HV1026020X80UOE21X80UOE22X100UOE[6],22X100UOE,,X80X100UOE4X120[9-14]X120,4.1X12023,X120,,32,,24[13],400450,,(25[11]),,,26-40[11],,4.2272375282NaoshiAyukawa:,1450,(CGHAZ),(CGHAZ)4.3(),,2425,,Pcm,X12028X120Y()[11],,2627Rp0.2/MPa/MPaAAr+10%CO2829956BAr+10%CO2844993:Rp0.20.2%28X120Y()4.48520053X120,1420mm,2836in6X120,76X120%w(C)w(Mn)w(Mo)w(Ti)w(B)Pcm0.0411.930.320.0200.00120.210.0361.960.340.0170.00120.21:Pcm=C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5BX120231J,-70,29-20,BDWTT75%,075%,DWTT-30,30[13],-30(FL+1mm)(LocalBrittleZone-LBZ)Ac1Ac37X120%/in/mm()Rt0.5/MPaRm/MPaA/%Rt0.5/Rm()Rt0.5/MPaRm/MPaA/%Rt0.5/RmRm/MPa(V)/J/FL+1mmFL+2mmBDWTTSA/%/A36169201017249091198123939880287172156226088,81-3029016743106-2090,79B3616876102425869319942694965-5251105161-582,82-30246121200201-2079,77C3016866954259286698025889590259091,90-30253159111176-2060,60D2814872100522879331004239310100238096,88-3025410661189-2081,86:API;FL+2mm,CTOD,CTOD0.08mm,31[12],4.5[14]20042A1berta,29X12030X120BDWTT31X120CTOD95282NaoshiAyukawa:X120UOE1.6km,3.6km5(1)(X80X100)(TMCP)X80X100(2)(X120),,X120:[1]ImagunbaiM,ChijiiwaR,AikawaN,etal.AdvancedSteelsforLow2TemperatureService[A].Proc.Int.Conf.HSLASteels[C].Beijing:ASM&CSM,1985.557-566.[2]ChijiiwaR,TamehiroH,HiraiM,etal.ExtraHighToughnessTitanium2OxideSteelPlatesforOffshoreStructuresandLinePipe[A].Proc.7thInt.Conf.OMAE[C].HoustonUSA:ASME,1988.165-172.[3]TeradaY,ChijiiwaR,TamehiroH,etal.Titanium2OxideBearingSteelsforOffshoreStructures[A].Proc.2nd.Conf.HSLASteels[C].Beijing:TMS,1990.519-524.[4]KojimaA,KiyoseA,TeradaY,etal.DevelopmentofYS500MPaClassTMCPSteelPlatesforOffshoreStructures[A].Proc.20thInt.Conf.OMAE[C].RiodeJaneiro,ASME,2001.[5]TeradaY,KojimaA,KiyoseA,etal.HighStrengthUOEPipewithExcellentCTODPropertiesandDeformability[A].Proc.22ndInt.Conf.OMAE[C].CancunMexico:ASME,2003.[6]TeradaY,TamehiroH,MorimotoH,etal.X100LinepipewithExcellentHAZToughnessandDeformability[A].Proc.22ndInt.Conf.OMAE[C].Cancun,Mexico:ASME,2003.[7]TeradaY,KojimaA,HaraT,etal.RecentDevelopmentofHigh2StrengthLimepipesinHostileEnvironments[C].Proc.4thInt.Conf.onPipelineTechnology.OstendBelgium,2004.[8]SatoM,YamatoK.JournaloftheJapanWeldingSociety.1981,11.[9]FairchildDP,MaciaML,PapkaSD,etal.HighStrengthSteels2BeyondX80[C].Proc.PipeDreamer’sConference.YokohamaJapan,2002.[10]KooJY,LutonMJ,BangaruNV,etal.MetallurgicalDesignofUltra2HighStrengthSteelsforGasPipelines[C].Proc.13thInt.OffshoreandPolarEngineering&Exhibition.HonoluluUSA,2003.[11]AsahiH,HaraT,SugiyamaM,etal.DevelopmentofPlateandSeamWeldingTech