鞍钢含铌汽车用钢生产现状及进展

()(),CurrentProductionSituationandProgressofAutomobileSteelContainingNiobiuminAngangZouZhao(AngangNewSteelCo.,Ltd.)LiuChun(AngangStaffandWorkersCollege)AbstractThevarieties,productiontechnologyandqualitysituationoftheautomobilesteelcontain2ingNiobiuminAngangaremainlyintroduced.TheideatofurtherdevelopNiobium2containingsteelisputforward.KeyWordsautomobilesteelplateNiobium2containingsteelquality,,RH2TB1780,,11.1(A320LA420LA510LA550L)C2Mn,Nb,S,,1:1,wt%CSiMnPSNbTisMPabMPa5%180B35mm9921A320A420LA510LA550L0.100.120.160.180.300.500.500.501.101.201.601.600.0300.0300.0250.0250.0300.0250.0250.0200.040.040.0429030535510032042042052051061055065027252423d=0.5a0.5a0.5ad=aRH2TBSi2Ca:A420LA510L85ANGANGTECHNOLOGY20024©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.22A420LA510Lmms,MPab,MPa5,%A420L3.5380400390480520500263530.54.0350400375460510485283732.5A510L5.03904204055405905602628276.03854304105405905652830297.03804304105505905702729288.0365430400540585560283029:A420LA510L4,A320LA550L,2002,,1.2(QSTE)(QSTE)3,4:RH2TBSi2Ca53QSTE,%CSiMnPSNbTiAlsQSTE340TM0.120.501.300.300.020.090.220.015QSTE380TM0.120.501.4003.00.020.090.220.015QSTE420TM0.120.501.500.300.020.090.220.015QSTE460TM0.120.501.600.300.020.090.220.015QSTE500TM0.120.501.700.300.020.090.220.0154QSTEs,MPab,MPa5,%180,B35mm,QSTE340TM34042054025d=0.5aQSTE380TM38045059023d=0.5aQSTE420TM42048062021d=0.5aQSTE460TM46052067019d=aQSTE500TM50055070017d=a5QSTEmms,MPab,MPa5,%B35mmd=0.5aQSTE380TM5.041054028QSTE420TM7.045055028:QSTE380QSTE420,3000,20022NbTiIF,,IF6,76IF3,wt%CSiMnPSNbTiAlsBZJ40719990.0050.030.300.0180.0180.240.200.0707IF3MPaMPaL0=80mmnrBZJ4071999180250320420.222.0:RH2TB178095©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.88IF3mms,MPab,MPa80,%nrIF30.8150/155300/30543/430.268/0.2512.322/2.393:IF,,100%3(1)16MnL,5t,A550L(2)LQ420LQ420:s290MPa,b420520MPa,5(%)30(3)A610LA610L:s500MPa,b610720MPa,5(%)22(4)Nb+TiIF,IF:IF340:s170MPa,b340MPa,5(%)36,n0.20,r1.7(5)NbNbTiIFIF40t,2003IF,,,,,,,,,,,,,():200219:,,,2000,(114021),,(771083119514),,,,,,GB/T5312-1999,,,500t,0620024©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.