METRODE 电力工业T92P92钢焊接材料及焊接(P92钢焊接技术研讨会)

英国曼彻特焊接材料公司张筑耀ƒƒƒƒƒƒƒƒƒƒƒƒ˚˚ƒƒƒƒƒƒƒƒ3035404550556019601970198019902000201020202030YearofInstallation()CycleThermalEfficiency(),(%)Examplesofsubcriticalunits()Examplesofsuper/ultra-supercriticalunits(/)˚FerrybridgeRatcliffeAvedore2DraxCastlePeakHemwegMeriporiKonvojMatsura01020304050Shareofpowerplant(),%19-2525-3030-3535-4040Efficiency(),%3%43%40%6%8%ƒƒƒƒƒƒƒƒƒƒƒƒ˚˚˚˚ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ::˚˚˚˚˚˚ƒƒ˚˚P92(P91)(P22)(P122)ƒƒ˚˚˚˚˚˚ƒƒ˚˚ƒƒ˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚ƒƒ˚˚˚˚ƒƒƒ7007207407607808008208400.51.01.52.02.5Ni+Mn,wt%Ac1temperature,°CMetrodeconsumables(P91)OtherP91consumables(P91)P91basematerial(V&MCCT)Ni+Mn%=1.5%15°CRecommendedmax.PWHTtemperature7207407607808008208408600.51.01.52.02.5Ni+Mn,wt%Ac1temperature,°CMetrodeP92welds(P92)OtherP92weld(P92)MetrodeP91welds(P92)OtherP91welds(P91)P92basematerials(V&MCCT)P91basematerial(V&MCCT)Ni+Mn%=1.515°CRecommendedmax.PWHTtemperature7007207407607808008208408600.51.01.52.02.53.0Ni+Mn,wt%Ac1temperature,°CP92consumables(P92)MetrodeP91consumables(measured)OtherP91consumables(measured)P92basematerials(V&MCCTdiagram)P91basematerial(V&MCCTdiagram)0.83%Ni+1.21%Mn0.9%Ni+0.65%Mn+2%Co0.9%Co1.1%Co1.1%Co7007207407607808008208408600.51.01.52.02.53.0Ni+Mn+0.4Co,wt%Ac1temperature,°CP92consumables(P92)MetrodeP91consumables(measured)OtherP91consumables(measured)P92basematerials(V&MCCTdiagram)P91basematerial(V&MCCTdiagram)0.83%Ni+1.21%Mn0.9%Ni+0.65%Mn+2%CoRT800˚CPre-heatWeldingInter-passCoolingPWHT焊后冷却焊接中层间温度控制焊后热处理焊前预热200˚Cmin.250˚Ctypical(200-300˚C)Slowcoolingto100˚C760-780˚Cx2h(min)焊后缓慢冷却至100˚C以下˚ƒƒ((δδ))ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ˚˚˚˚≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≤≤≥≥≥≥≤≤˚˚˚˚˚˚˚˚˚˚˚˚400500600700800900225230235240245250255260265270275Hardness,HV(10kg)Strength,MPaP92SMAWUTSP92SMAWProofP92GTAWUTSP92GTAWProofP92FCAWUTSP92FCAWProofP91averageProofP91averageUTSP91weldmetalUTSP91weldmetal0.2%proofstress˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚0.1110101001000Impactenergy,JLateralexpansion,mmSMAWPWHT760°C/2hSMAWPWHT760°C/4hFCAW760°C/4hFCAW760°C/6hGTAW760°C/2hGTAW760°C/4hP91weldmetalaverage–020040060080010000200400600800Temperature,°CTensilestrength,MPaGTAW(9CrWV)SMAW(Chromet92)FCAW(SupercoreF92)SMAW(PWHT+600°C)V&MT/P92averageBasematerialmin.(NF616)–020040060080010000200400600800Temperature,°C0.2%Proofstrength,MPaGTAW(9CrWV)SMAW(Chromet92)FCAW(SupercoreF92)SMAW(PWHT+600)V&MT-P92averageBasematerialmin(NF616)–0.020.040.060.080.0100.00200400600800Temperature,°CReductionofarea,%GTAW(9CrWV)SMAW(Chromet92)FCAW(SupercoreF92)SMAW(PWHT+600)10100100031.032.033.034.035.036.037.038.0P=K(36+Logt)x10-3RuptureStress,MPaSMAW(Chromet92)SAW(9CrWV)FCAW(SupercoreF92)SMAW&SAW(othersources)P92basematerialaverage565oC/105hrP=34.36600oC/105hrP=35.80-20%+20%10100100025.026.027.028.029.030.031.032.0P=K(30+Logt)x10-3RuptureStress,MPaGTAW(9CrMoV-N)SMAW(Chromet9MV-N)*SAW(9CrMoV-N)FCAW(SupercoreF91)P/T91basematerial565oC/105hrP=29.33600oC/105hrP=30.56-20%+20%10100100026.027.028.029.030.031.032.033.0P=K(30+Logt)x10-3RuptureStress,MPaWeldjoint(failatFL)Weldjoint(failTypeIV-FL)Weldjoint(failatTypeIV)WeldmetalE911basematerialaverage565oC/105hrP=29.33600oC/105hrP=30.56-20%+20%PWHT:750°Cx2-10hr+FC˚˚≥≥≥≥˚˚≥≥≥≥˚˚10100100031.032.033.034.035.036.037.038.0P=K(36+Logt)x10-3RuptureStress,MPaSMAW(Chromet92)SAW(9CrWV)FCAW(SupercoreF92)SMAW&SAW(othersources)P92basematerialaverage565oC/105hrP=34.36600oC/105hrP=35.80-20%+20%10100100031.032.033.034.035.036.037.038.0P=K(36+Logt)x10-3RuptureStress,MPaSMAW(Chromet92)SAW(9CrWV)FCAW(SupercoreF92)Series12SMAW&SAW(othersources)P92basematerialaverage565oC/105hrP=34.36600oC/105hrP=35.80-20%+20%10100100025.026.027.028.029.030.031.032.0P=K(30+Logt)x10-3RuptureStress,MPaGTAW(9CrMoV-N)SMAW(Chromet9MV-N)*SAW(9CrMoV-N)FCAW(SupercoreF91)P/T91basematerial565oC/105hrP=29.33600oC/105hrP=30.56-20%+20%10100100025.026.027.028.029.030.031.032.0P=K(30+Logt)x10-3RuptureStress,MPaGTAW(9CrMoV-N)SMAW(Chromet9MV-N)*SAW(9CrMoV-N)FCAW(SupercoreF91)P/T91basematerial565oC/105hrP=29.33600oC/105hrP=30.56-20%+20%结语ƒƒƒƒƒƒƒƒƒƒƒƒƒƒ