THYSSEN 2006杭州高思讲演(P92钢焊接技术研讨会)

TPUT-MemberoftheBÖHLER-UDDEHOLMGroupP92Experiencesintheweldingfabrication•V.Gross,BöhlerThyssenSchweisstechnik,Deutschland•Hangzhou,China,3/2006TPUT-MemberoftheBÖHLER-UDDEHOLMGroupI.BasicsII.ToughnessissuesTPUT-MemberoftheBÖHLER-UDDEHOLMGroupH_200602usPipe-/Tube-steelsforsuperheatersandreheatersinfossilfiredpowerplantsCreepresistantsteels500550600650700750Temperature[°C]105h-creeprupturestrength[MPa]150100500P22X20CrMoV12-1P91X6CrNi18-11Inconel617E911/P92HCM12AX8CrNiMoNbV16-13Ni-basealloysausteniteferriteX3CrNiMoN17-13••••••••TPUT-MemberoftheBÖHLER-UDDEHOLMGroupVALLOUREC&MANNESMANNTUBESCorrosionratesat650癈0,0000,0500,1000,1500,200T23T22X20TT122T92T91X20U13%CrTP347steelgradescorrosionrate(mm/year)1,41,2OxidationbehaviourEvolutionofthecorrosionrateinsteaminmm/yearforvariousgradesGradeMaxmetalT°T22580℃T23580℃T91610℃T92620℃TPUT-MemberoftheBÖHLER-UDDEHOLMGroupChemicalcompositionofnewmartensiticsteelsforpowerplantsDesignationCCrNiMoVWNbOtherServicetemperature[℃]1)X10CrMoVNb9-11.4903(P91)min.max.0,080,128,09,50,400,851,050,180,25---0,060,10N0,0300,070585X11CrMoWVNb9-1-11.4905(E911)min.max.0,090,138,509,500,100,400,901,100,180,250,901,100,060,10N0,050,09625P92(Nf616)min.max.0,070,138,59,50,400,300,600,150,251,52,00,040,09N0,030,07B0,0010,0066251)ConstructiveobviousservicetemperaturelimitinpowerstationsTPUT-MemberoftheBÖHLER-UDDEHOLMGroupCCT-diagramofT/P92VALLOUREC&MANNESMANNTUBESTPUT-MemberoftheBÖHLER-UDDEHOLMGroupChemicalcompositionandguaranteedminimummechanicalvaluesofmatchingfillermetals(SMAW)forthe9%chromesteelsP91,P911andP92BasemetalFillermetalsacc.toEN1599CSiMnCrNiMoVWNbNX10CrMoVNb9-1(P91)ECrMo9B42(AWSA5.5E9015-B9)0,090,220,659,00,801,10,20---0,050,04P911EZCrMoWV911B420,090,200,578,850,830,920,211,010,0470,05P92(Nf616)EZCrMoWV90,52B420,090,230,669,230,660,530,201,620,0420,06Fillermetalsacc.toEN1599PWHT[℃(°F)/h]YS[MPa](kSi)TS[MPa](kSi)CVN,ISO-V[J](ft-lb)ECrMo9B42(AWSA5.5E9015-B9)760(1400)/2600(87)750(108)50(37)EZCrMoWV911B42760(1400)/2600(87)750(108)50(37)EZCrMoWV90,52B42760(1400)/2600(87)750(108)45(33)Chemicalcomposition[wt-%];matchingweldmetalMechanicalpropertiesat+20℃;allweldmetalTPUT-MemberoftheBÖHLER-UDDEHOLMGroupH_011123HeatcontrolduringweldingandPWHT-conditionforP911andP92Time02004006008001000Temperature[℃]250-300℃760℃Heatingrate80–120℃/hCoolingrate100–150℃/h400℃coolinginstillair+10-10slowcoolingrate20–100℃···preheatingweldingandsoakingnecessarycoolingdownafterweldingorsoaking2-4h··TPUT-MemberoftheBÖHLER-UDDEHOLMGroupAc1b–temperature;allweldmetalCSiMnCrNiMoVWNbNAC1b[℃/℉]ThermanitMTS9110,090,200,578,850,830,920,211,010,0470,054775/1427ThermanitMTS6160,100,220,639,050,690,530,191,520,0400,057800/1472H_200602usTPUT-MemberoftheBÖHLER-UDDEHOLMGroupBasemetal(pipe):P924mmSF2SF54.4Pipe-dimension:øo330x40(mm)SAWSMAW20mm20mmSF4SF3SF15.1-5.194.23.22.24.34.13.12.11.1gapP92–pipeweldTPUT-MemberoftheBÖHLER-UDDEHOLMGroupMechanicalpropertiesofSA-weldmetalThermanitMTS616/Marathon543andagirthweldatP92-pipeThermanitMTS616CSiMnCrNiMoVWNbN0,090,360,608,450,730,410,171,590,0340,059PWHT[℃/h]Testtemperature[℃]TS[MPa]ElongationA5[%]LocationoffractureCVNISO-V[J]Hardness[HV10]760/22067416,5BM92238-250760/42067815BM89234-249760/460035518BM------PWHT[℃/h]Testtemperature[℃]YS[MPa]TS[MPa]ElongationA5[%]CVNISO-V[J]760/22067878919,835760/42062174220,853Chemicalcomposition(wt-%);allweldmetalMechanicalproperties,a)allweldmetalb)girthweld;pipeP92,pipe-ø:300mm,wallthickness:40mmWire-ø:3,2mm,380-420Amps.,28-30Volts,v:50-60cm/min,TP:250℃,Ti:300℃++TPUT-MemberoftheBÖHLER-UDDEHOLMGroupMechanicalpropertiesofSMA-weldmetalThermanitMTS616andagirthweldatP92-pipeEL-ø:4,0mm,120-140Amps.,TP:250°C,Ti:270°CCSiMnPSCrNiMoVWNbN0,110,270,650,0180,0088,950,70,530,191,720,0440,045PWHT[°C]/hTesttemperature[°C]TS[MPa]ElongationA5[%]CVNISO-V[J]760/22080017,654760/260058512---PWHT[°C]/hTesttemperature[°C]TS[MPa]LocationoffractureCVNISO-V[J]Hardness[HV10]760/220665BM60236-262760/2600349BM------Chemicalcomposition(wt-%);allweldmetalMechanicalproperties,a)allweldmetalb)girthweld;pipeP92,pipe-ø:336mm,wallthickness:40mm++TPUT-MemberoftheBÖHLER-UDDEHOLMGroupInfluenceofthePWHT-conditionSMAW:ThermanitMTS616/ThermanitMTS911;ø:4,0mm1234567Holdingtime[h]010203040506070CVN[J]PWHT:760℃PWHT:750℃PWHT:740℃TPUT-MemberoftheBÖHLER-UDDEHOLMGroupII.toughnessissuesTPUT-MemberoftheBÖHLER-UDDEHOLMGroupPWHT-equipmentvs.impactenergy;PWHTat750℃73073574074575075576076577014,014,214,414,614,815,015,215,415,615,816,0ZeitinStundenTemperaturin癈Kanal1Kanal2Kanal3Kanal4Kanal5Kanal6Kanal7Kanal8Kanal9Kanal10Kanal11Kanal12Kanal13Kanal14Kanal15Kanal16Kanal17Kanal18Kanal19Kanal20Kanal21Kanal22Kanal23Kanal24Kanal25Kanal27Temperature[℃]Time[h]PWHT-issue/actualthermalconditionofheattreatmenteqipmentfurnaceSMAW:ThermanitMTS616;ø:4,0mm1234567Holdingtime[h]010203040506070CVN[J]PWHT:760°CPWHT:750°CPWHT:740°C26个热电偶温差20℃TPUT-MemberoftheBÖHLER-UDDEHOLMGroup1234567Holdingtime[h]010203040506070CVN[J]Ø4,0mm;Pos.3GupØ4,0mm;Pos.3GupInfluenceofbeadformationonimpactpropertiesatpwht760℃weavedbeadsstringerb