不同脱氧工艺对钢板分层的影响

InfluenceofVariousDeoxidizationProcessesinDelaminateonSteelPlatesGuoXiuyuanMaXingyunYangXianliWangXuezhongLiWangshengJinanIron&SteelCorp.AbstractInviewofthedelaminatedefectintheplatesproducedinJinanIron&steelCor-porationfortheinfluenceofsteeloxidizationondelaminatethestudyontheinfluenceofdeoxidiza-tiondegreeofmoltensteelondelaminateinplateshasbeencarriedoutviatheexperimentsonvari-ousdeoxidizationtechnologies.Theconceptandmethodsofreductiononlaminatedefectbyfurtherimprovementofdeoxidizationtechnologyhavebeenputforward.Keywordsdeoxidizationlaminateinplateinclusion25010112000113410mm20mmQ235SS4002121440×34200112176SteelmakingDec.2001Vol.17No.622600×320mmQ2353.1112121MnS2MnS31000×2000×3X312MnS233.2S124325tLD40tQ2351w%MgOCaOAl2O3SiO2MnOFe2O31-10.4010.32711.57820.52019.14124.6251-20.0320.20413.72421.14317.64223.2611-30.3070.1459.25824.36818.35521.9232w%MnSFeMgAl1-138.20112.08720.3420.0020.3162-159.70834.1352.1830.0040.0022-254.39730.8827.5810.0350.1062-357.49733.0343.4950.0070.031CaCFeMnFeMnSiFeSiSiCCaBaSi4455.112Q235SS400S+O2-=S2-+O1Ls=%S%S=Ks×Xo2-%O×γo2-γs2-×fs25.21SBaAlSiAlFeMnFeSiBaAlSiO266.125tLD1211266.23453BaAlSi/kgCaC/kgSiC/kgAl/mCaBaSi/m53.348.620.631.753.661.234.530.924.546.120.833.63549.64C/%S/%O/×10-6O/×10-6C/%S/%O/×10-60.060.03572242.40.140.028880.070.03162.11480.140.027570.080.02354.8158.70.150.019560.070.02464193.50.160.021755/4476154369/2815325/%61.419.741.954.886.36.3.1ArAl3BaAlSi0～10kg30～40kg31.66kgCaBaSi61mSiC542001630.9kgCSiCCaBasiBaAlSi6.3.24BaAlSiOOSSiCCC0.08%BaAlSi6.3.3520mm61.4%1.95%712AlC32001-05-254251..20001512..1998.152～1533...1998.714..1999.5142001-04-1864