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外文翻译--热轧板带钢.doc

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外文翻译--热轧板带钢.doc

附录附录1英文原文Hotrolledplatesteel1.1hotrolledplatesteelproductionHotrolledstripsteelisanimportantspecies,theentiresteelindustrystechnologicalprogressandeconomicefficiencyhasanimportantimpact.Developedhotrolledstripsteelhotrolledsteelproductionaccountedforabout50percent,andintheinternationalmarketcompetitionintheleadingposition.Chinasironandsteelindustrialoutputgrowingfasterinrecentyears,butthenumberofhighvalueaddedproductsandlowerquality.Chinasgeneralhotrolledstripsteelproductsistheminimumthicknessof1.8mm,butinfactonlyveryfewproductionislessthanthethicknessof2.0mmHotStrip,evenifthenarrowstrip,thethicknessofproductsgenerallylargerthan2.5mm.Therefore,aconsiderablepartwanttouselessthan2mmthickstripofrawmaterialsfortheuser,onlytheuseofcoldrolledstripsteel.Ifthedevelopmentofthethinhotrolledstripsteelspecifications,canreplaceaconsiderableportionoftheuseofcoldrolledstripsteel,theproductioncostsgreatlyreduced.1.1.1hotrolledsteelproductionbroadbandBroadbandforeignhotrolledsteelproductionoftechnologicalprogressinthefollowingareas①tropicalsteelwithoutaheadrollingtechnology2.Withoutaheadrollingtechnologycanproducestabilityandthinthinhotrolledstripsteel,byitsgenerousthanthetraditionalhotrollinga0001to8001,andtousecompulsorycoolingandlubricationofrollingproductiontechnologyWithnewmaterialpropertiesofhightechproducts.②CSPtechnology.ItismainlyacompacttropicalsteelproductionprocessCSPCompactStripProcess,onlinetropicalsteelproductionprocessISPInLineStripProduction,flexiblethinslabrollingtechnologyFTSRFlexibleThinSlabRollingcontinuouscastingandrollingdirectlyCONROLLtechnology,suchasmorethan10types.GermanyhasdevelopedtheSMSCSPprocesshasbeensuccessfulinrollingoutthethicknessof0.8mmthinstripproducts,andhasbeenwidelyusedinhouseholdappliances,constructionindustryandotherareasoftheAustrianVAICONROLLdevelopmentoftheproductionprocessalsosuccessfullyAthicknessof0.9mm1.0mm,excellentsurfacequalityhotrolledthinstrip,theexposedpartscanbeusedasthevehicleUnitedStateshassofarputintooperationthethinslabcontinuouscastingandrollingproductionlineofmorethan100oftheproductioncapacityof5107t/year3.③ferriteDistrictrollingproductionprocess.Italsoknownasphasechangecontrolrolling,isfromBelgiumMetallurgicalResearchCenterin1994,arollingdevelopmentofnewtechnologies,themainpurposeistousetheoriginalspecificationsofhotrolledthinstripreplacethethicknessof1.0mm2.0mmcoldrolledscopeoftheProducts.FerriteDistrictrollingproductiontechnologydevelopmentgoalistoproducethinthinspecificationsofqualitydeepdrawingboard.LTVsIndianaplant40percentoftheHubbleUltralowcarbonsteelproductsusedferriterollingproductionarea,Arvediusingferriteareaofrollingproductionofitsultrathinhotrolledstripsteelproductionaccountsfor25.④thinstripcastingtheCASTRIPprocess.ThisprocessbytheUnitedStatesNiukeIronandSteelCompany,theAustraliancompanyBHPandtheJapanesecompanyIHIjointdevelopmentandsuccessofthecompanyin2003forNiukebuildingtheworldsfirstsetoffullcommercializationofthetwinrollcastingthinstripproductionline,usedintheproductionofcarbonSteelandstainlesssteel.Andconventionalcontinuouscastingandrollingmilltechnology,comparedwithtechnologyinvestment,loweroperatingcosts,energyconservationandenvironmentalprotection,theadvantagesoflowemission4.Atpresent,thiswholebusinessofthethinstriptwinrollcastingmachinewithanannualoutputof2.0mmthefollowingspecificationsthinstrip500,000t.Thecastingmachineusedinladlecapacityof110t,twinrollcastingofadiameterofΦ500mm,thehighestcontinuouscastingspeedof150m/min,commonlyusedforthecontinuouscastingspeedof80m/min,exportsstripthicknessof0.7mm2.0mm,thewidthof1000mm2000mm.Broadbanddomestichotrolledsteelproductionprofileisasfollows①traditionalhotstripmill.Baosteelto2050mmHotStripMillasanexample,BaoshanIronandSteel2050mmhotrolledplantintheAugust3,1989operation,hotrolledunitdesignedannualoutputof4milliont.Bytheendof2000totalproductionof44.46milliontHotStrip.1999annualproductionreached5.1milliont,morethan25percentofproductiondesign,in2000to5.2milliont.ThemainproductsarePutanGang,highqualitycarbonsteel,lowalloysteel,deepdrawingsteel,shipbuildingsteel,steel,suchasspiralweldedpipeandsteelcoil.2050mmhotrolledunitis3/4continuousrollingmill.Allthemajorplantequipmentfourroughmill,sevenfinishingmill,threefullhydrauliccoiler,andfivefinishinglineoperations.Equipmentweighing60915t.EquipmentfromGermanySMSJamaalconsortiumofcontractors,12,equipmentoperationandstability.Substantialincreaseinoutputatthesametime,thecompositeindicatorofproductionunitsandproductsarealsocontinuouslyimproveaccuracy,highintensity,highlylimittheincreaseinproductspecifications,productspecificationsthinincreasetheproportionhasdoubled.Especiallythelast,2.00mmthinthefollowingspecificationsoftheproductsyieldof17percent,thaninMay1992amountedtoyield4.98percentandthedesignrequirementsofthe6percenthigherthreetimes5.Thinspecificationsoftheproductsasamajorproductiontargets,theuseofbestcoilingtemperature,theheatingtemperature,rollingloaddistribution,rollingtooptimizethespeed,finishingontheracktargetcrownforreasonabledistributionofrollingoutthestandardthickness1.6mmcontainerwithatmosphericcorrosionresistantplates,toresolvethelongtermdependenceonimportedsteelcontainerthesituation,tryrollingin2002and1.2mmthicksuccessofthehotrolledthinstrip.②CSP.Since1992,LanzhouSteelandIronandSteelResearchInstitutetoestablishChinasfirstsetofCSPthinslabcaster,themajordomesticsteelcompanieshavespenthugeamountsofmoneyorofthenewhotrollingplanttoexpandthescopeofvariety,improveproductQuality.Baosteel2050and1580isthehotlineofequipmentandautomatedcontrolofthehighleveloftwoproductionlines,canproducestability≥1.5mmthicknessofthehotrolledcoil,canalsoproduceasmallamountofthicknessof1.0mm1.2mmultrathinHotStrip.1999CSPSteelintroducedthefirstoftheCSPline1450mm,havebeencompletedandputintoproductionaftertheHandanIronandSteel1450mm,BaotouSteel1700mm,PanzhihuaIronandSteel,TangshanIronandSteel1800mmFTSRUnitMagang1800mmCSPunit,Valin1800mmCSPaprojectAndasteelplantonthe1780hotrollingunit,BenxiIronandSteel1880mmCSPhotcontinuouscastingandrollingproductionlinedesignedproductioncapacity2.8milliontons,hotrollingunitLaiwuSteel1450designcapacity2milliontons,Shagang1700mmHotStripMillproductionlineDesignproductioncapacity4.5milliontons.Angang2150mmCSPunitdesignedproductioncapacity4.5milliontons.Accordingtostatistics,Chinain2007areexpectedtobe12hotrolledproductionlineproduction,designoverallcapacityto37milliontons,ofwhichthedesigncapacityof300millionmetrictonsofhotrolledlargescaleproductionlineshavefive,were380unitsofsteel178010,000tons,Magang2250Unit5milliontons,BaoshanIronandSteel1880unit3.7milliontons,ironday1780units3.8milliontons,Taiwans1780NorthUnit4milliontonsremainingsevenhotlinedesigncapacityaremorethan2million,TheyareRizhaoSteel1580Unit2milliontons,the1480TangshanStatesHSBCunit2milliontons,arollingplantQianan1250Unit2milliontons,Wuhan1580Units2.8milliontons,ShanxiHaixin1,500units2.2milliontons,builtinNingboUnit17802.5milliontons.Itisestimatedthatbytheendof2007ChinasoverallcapacitywillreachHot140milliontons.③ferriteDistrictrollingproductionprocess.ZISCSPCSPproductionlineoperation,planstousetheproductionprocessfollowingultrathin2.0mmHotStrip,thecurrentdomesticTangshanIronandSteelCo.,BenxiSteelandmanyoftheCSPthinslabproductionlineshavebeenrolledferriteDistrictSystemcapacity.1.1.2hotrollednarrowstripsteelproductionAtpresent,foreigndevelopmentofanarrowstripofstagnation,outputandqualityarenothigh,thenarrowstripofdemandwillbeusingbroadbandSlitterapproach,highcost.Atotalofmorethan50setsofdomestichotrollednarrowstripsteelmill,continuousmill2,3/4sets

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