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:(1935-),(),,,(,100081):19992004;;:;;;;:TF777:C:100221043(2006)0420001205DevelopmentandoptimizationofthinslabcontinuouscastingproductioninChinaYINRui2yu(CentralIron&SteelResearchInstituteBeijing,Beijing100081,China)Abstract:ThepresentpapersummarizestheachievementsChinahasachievedinthethinslabcontinuouscastingandcontinuousrollingproductionaswellasdevelopmentsoftechnologiesandequipmentsinthisrespect;andanalyzestheproblemsexistingandcauseofoccurrenceofthoseproblems;andputsforwardtargetsforfurtherimprove2mentandoptimizationaswellasproblemsinreferencetodrawingupaprogramtosetupacompletelynewandcomprehensivetechnicalandeconomicalassessmentsystemfortheproductionefficiencyandquality.Keywords:thinslab;continuouscastingandcontinuousrolling;productionprogress;op2timization;target31,2,,4,,,,,1199920041998,()CSP110,6,,,2,2004,0.812mm1360t,()19.67%,120068224SteelmakingAug.2006Vol.22No.428%(,),1.1,,7,,,()()()CSP()ASP()FTSR,11()t19992000200120022003200420054.438.5077.882.2112.5163.72000.279.20101.5112.2153.2230.5260()4.5130.0251.8249.82803000.0781.2162.8220.9241.430055.8192.6280()156.9200()124.72004.6117.80265.0487.2794.21359.617601820(3mm),,,,,20040.023%,;22,26,29,24.3t24.66t25.34t25.69t26.3t27.6t80%;()220042005,()300t1.2,,,,,,,(1),CSP1,1.6mm(ReL690MPaRm760MPa)(2)CSP,,30%75%,90%(3),IF(4),22222004/mm()/mm()/(ta-1)/%/%/%/(mmin-1)98015606772:9801560:1.0010.0010.00249.8498.9697.7098.994.290016807090016801.2020.00230.5397.5696.0298.363.99001600557090016000.7812.70124.7297.6194.1099.573.55.5ASP930153013590015001.6011.50241.3697.4694.5299.742.51250150085125015002.5011.50192.6093.9092.9199.913.04.4100013804560100013801.2012.00163.7097.9494.9899.144.55.09001600529090016000.808.00156.8691.4099.52/%/min/%/kg/%84.5916.84587.48370.3022.8182.6975.2710.56418.23720.3524.5375.1259.9310.62358.80480.3634.3666.68ASP83.9713.94418.2070.0238.3383.8365.149.82423.00370.3231.6369.2086.048.78565.00550.5217.4276.1753.978.52600.4586.3278.10,,(5),,,(),0.780.80mm,2mm(6),,,,,,,,,,1.3,,,(1)FTSR,,,,1,,(12h),34:,,,(2),,,(3),,,(),,,CSP,(4)(),,,(),,2002CSP2004315t,617t/,NSM3,,6,20054,FTSR,623()ASP,10FRSR,1700t,1,,,,,2,,,7,,,2.1,-,(),,,(),,,,,,,,(120150t,150180t),;,(),4222.2,,,,(;;;,;,),,,,,LF,,,;LF,,-,LF12005101-,,,,RH1();;;,,;----,,,,,LF,,2,,,,,,,,2.3,,,(1),,3mm,3mm15%,,,,,,,,,(2),,,,,(),,(11)54:,,,,,;,,5:(1)LF;(2),;(3),;(4),[][1],,.[M].:,1996:150.[2],,,.[J].,2000,35(1):17219.(:2004211226)(5),1,,,,(),;,(),,,(3),1,,,,,,,,3,,,3,,:();;;;;2,(2mm1.6mm),1,,20021(),,2,,,2008,3,,,!(:2006202216)114,:CSP