第七单元23海底世界教案1海底世界部编版三年级下册语文教学资源

:20060510:(1940-),,,,600MWF91ResearchandDevelopmentofF91ForgingSlantingTeeJointof600MWBoilerMainSteamOutput1,2,2(1.,050021;2.,201109):F91,,,:;;F91;Abstract:ThemanufactureofF91forgingslantingteejointofmainsteamoutputofthermalpowerplantisexpounded,in2cludingtheprocessofmanufacture.Itisprovedbypracticethatthiskindofteejointcanbeproducedbyourcountry,bespreadandappliedwidely.Keywords:boiler;mainsteam;F91;forgingslantingteejoint:TG316:B:10019898(2006)05001502600MW,,F91,,,,,,,;;,F91,600MWF911ASMESA182F9122000t/h,540,17.47MPa,9%Cr1%Mo0.20%(V+Cd+N),,,VODC,121()%C0.09Mn0.40Si0.26S0.005P0.016Cr8.30ASMESA182F910.080.120.300.600.200.500.0100.0208.009.50Ni0.11Mo0.90V0.21N0.060Nb0.090Al0.010ASMESA182F910.400.851.050.180.250.030.070.060.100.042ASMESA182F91ASMESA182F91/MPa506415/%7240.0/MPa608585Akv/J201208218-/%2620.0(HB)177179181248:710401095,7303F91,:101.6cm(40),8440kg,,1200,1180800,850151Vol.25No.5255Oct.2006HEBEIELECTRICPOWER200610132h,,2500t,4,750mm750mm23%,750mm750mm1380mm,800mm,21600mm,1100mm675mm1045mm,,,,,22,,,,3344,180,344(:mm)3%CMnSiSPCr0.080.460.420.0050.0188.95NiMoVNNbA10.200.880.190.040.100.0154/MPa/MPa/%/%Akv/J(HB)4946082674163131123178179183:7ASME,ASMESA388ASME788520,JB4730,,5,ASME,,:(4)b.,(500Hz)5a.,,b.,,c.,,,d.,:61Vol.25No.5255Oct.2006HEBEIELECTRICPOWER200610