外文翻译--热轧板带钢.doc

附录附录1英文原文Hot-rolledplatesteel1.1hot-rolledplatesteelproductionHot-rolledstripsteelisanimportantspecies,theentiresteelindustrystechnologicalprogressandeconomicefficiencyhasanimportantimpact.Developedhot-rolledstripsteelhot-rolledsteelproductionaccountedforabout50percent,andintheinternationalmarketcompetitionintheleadingposition.Chinasironandsteelindustrialoutputgrowingfasterinrecentyears,butthenumberofhighvalue-addedproductsandlowerquality.Chinasgeneralhot-rolledstripsteelproductsistheminimumthicknessof1.8mm,butinfactonlyveryfewproductionislessthanthethicknessof2.0mmHotStrip,evenifthenarrowstrip,thethicknessofproductsgenerallylargerthan2.5mm.Therefore,aconsiderablepartwanttouselessthan2mmthickstripofrawmaterialsfortheuser,onlytheuseofcold-rolledstripsteel.Ifthedevelopmentofthethinhot-rolledstripsteelspecifications,canreplaceaconsiderableportionoftheuseofcold-rolledstripsteel,theproductioncostsgreatlyreduced.1.1.1hot-rolledsteelproductionbroadbandBroadbandforeignhot-rolledsteelproductionoftechnologicalprogressinthefollowingareas:tropicalsteelwithoutaheadrollingtechnology2.Withoutaheadrollingtechnologycanproducestabilityandthin-thinhot-rolledstripsteel,byitsgenerousthanthetraditionalhotrollinga000:1to800:1,andtousecompulsorycoolingandlubricationofrollingproductiontechnologyWithnewmaterialpropertiesofhigh-techproducts.CSPtechnology.ItismainlyacompacttropicalsteelproductionprocessCSP(CompactStripProcess),onlinetropicalsteelproductionprocessISP(In-LineStripProduction),flexiblethinslab-rollingtechnologyFTSR(FlexibleThinSlabRolling)continuouscastingandrollingdirectlyCONROLLtechnology,suchasmorethan10types.GermanyhasdevelopedtheSMSCSPprocesshasbeensuccessfulinrollingoutthethicknessof0.8mmthinstripproducts,andhasbeenwidelyusedinhouseholdappliances,constructionindustryandotherareasoftheAustrian(VAI)CONROLLdevelopmentoftheproductionprocessalsosuccessfullyAthicknessof0.9mm1.0mm,excellentsurfacequalityhot-rolledthinstrip,theexposedpartscanbeusedasthevehicle；UnitedStateshassofarputintooperationthethinslabcontinuouscastingandrollingproductionlineofmorethan100oftheproductioncapacityof5×107t/year3.ferriteDistrictrollingproductionprocess.Italsoknownasphasechangecontrolrolling,isfromBelgiumMetallurgicalResearchCenterin1994,arollingdevelopmentofnewtechnologies,themainpurposeistousetheoriginalspecificationsofhot-rolledthinstripreplacethethicknessof1.0mm2.0mmcold-rolledscopeoftheProducts.FerriteDistrictrollingproductiontechnologydevelopmentgoalistoproducethin(thin)specificationsofqualitydeepdrawingboard.LTVsIndianaplant40percentoftheHubbleUltra-lowcarbonsteelproductsusedferriterollingproductionarea,Arvediusingferriteareaofrollingproductionofitsultra-thinhot-rolledstripsteelproductionaccountsfor25%.thinstripcastingtheCASTRIPprocess.ThisprocessbytheUnitedStatesNiukeIronandSteelCompany,theAustraliancompanyBHPandtheJapanesecompanyIHIjointdevelopmentandsuccessofthecompanyin2003forNiukebuildingtheworldsfirstsetoffullcommercializationofthetwin-rollcastingthinstripproductionline,usedintheproductionofcarbonSteelandstainlesssteel.Andconventionalcontinuouscastingandrollingmilltechnology,comparedwithtechnologyinvestment,loweroperatingcosts,energyconservationandenvironmentalprotection,theadvantagesoflowemission4.Atpresent,thiswholebusinessofthethinstriptwin-rollcastingmachinewithanannualoutputof2.0mmthefollowingspecificationsthinstrip500,000t.Thecastingmachineusedinladlecapacityof110t,twin-rollcastingofadiameterof500mm,thehighestcontinuouscastingspeedof150m/min,commonlyusedforthecontinuouscastingspeedof80m/min,exportsstripthicknessof0.7mm2.0mm,thewidthof1000mm2000mm.Broadbanddomestichot-rolledsteelproductionprofileisasfollows:traditionalhotstripmill.Baosteelto2050mmHotStripMillasanexample,BaoshanIronandSteel2050mmhot-rolledplantintheAugust3,1989operation,hot-rolledunitdesignedannualoutputof4milliont.Bytheendof2000totalproductionof44.46milliontHotStrip.1999annualproductionreached5.1milliont,morethan25percentofproductiondesign,in2000to5.2milliont.ThemainproductsarePutanGang,high-qualitycarbonsteel,low-alloysteel,deepdrawingsteel,shipbuildingsteel,steel,suchasspiralweldedpipeandsteelcoil.2050mmhot-rolledunitis3/4continuousrollingmill.Allthemajorplantequipment:fourroughmill,sevenfinishingmill,threefullhydrauliccoiler,andfivefinishinglineoperations.Equipmentweighing60915t.EquipmentfromGermanySMSJamaalconsortiumofcontractors,12,equipmentoperationandstability.Substantialincreaseinoutputatthesametime,thecompositeindicatorofproductionunitsandproductsarealsocontinuouslyimproveaccuracy,high-intensity,highlylimittheincreaseinproductspecifications,productspecificationsthinincreasetheproportionhasdoubled.Especiallythelast,2.00mmthinthefollowingspecificationsoftheproductsyieldof17percent,thaninMay1992amountedtoyield4.98percentandthedesignrequirementsofthe6percenthigherthreetimes5.Thinspecificationsoftheproductsasamajorproductiontargets,theuseofbestcoilingtemperature,theheatingtemperature,rollingloaddistribution,rollingtooptimizethespeed,finishingontheracktargetcrownforreasonabledistributionofrollingoutthestandardthickness1.6mmcontainerwithatmosphericcorrosion-resistantplates,toresolvethelong-termdependenceonimportedsteelcontainerthesituation,tryrollingin2002and1.2mmthicksuccessofthehot-rolledthinstrip.CSP.Since1992,LanzhouSteelandIronandSteelResearchInstitutetoestablishChinasfirstsetofCSPthinslabcaster,themajordomesticsteelcompanieshavespenthugeamountsofmoneyorofthenewhotrollingplanttoexpandthescopeofvariety,improveproductQuality.Baosteel2050and1580isthehotlineofequipmentandautomatedcontrolofthehighleveloftwoproductionlines,canproducestability1.5mmthicknessofthehotrolledcoil,canalsoproduceasmallamountofthicknessof1.0mm1.2mmultra-thinHotStrip.1999-CSPSteelintroducedthefirstoftheCSPline(1450mm),havebeencompletedandputintoproductionaftertheHandanIronandSteel1450mm,BaotouSteel1700mm,PanzhihuaIronandSteel,TangshanIronandSteel1800mmFTSRUnitMagang1800mmCSPunit,Valin1800mmCSPaprojectAndasteelplantonthe1780hotrollingunit,BenxiIronandSteel1880mmCSPhotcontinuouscastingandrollingproductionlinedesignedproductioncapacity2.8milliontons,hotrollingunitLaiwuSteel1450designcapacity2milliontons,Shagang1700mmHotStripMillproductionlineDesignproductioncapacity4.5milliontons.Angang2150mmCSPunitdesignedproductioncapacity4.5milliontons.Accordingtostatistics,Chinain2007areexpectedtobe12hot-rolledproductionlineproduction,designoverallcapacityto37milliontons,ofwhichthedesigncapacityof300millionmetrictonsofhot-rolledlarge-scaleproductionlineshavefive,were380unitsofsteel178010,000tons,Magang2250Unit5milliontons,BaoshanIronandSteel1880unit3.7milliontons,iron-day1780units3.8milliontons,Taiwans1780NorthUnit4milliontons；remainingsevenhot-linedesigncapacityaremorethan2million,TheyareRizhaoSteel1580Unit2milliontons,the1480TangshanStatesHSBCunit2milliontons,arollingplantQianan1250Unit2milliontons,Wuhan1580Units2.8milliontons,ShanxiHaixin1,500units2.2milliontons,builtinNingboUnit1780-2.5milliontons.Itisestimatedthatbytheendof2007ChinasoverallcapacitywillreachHot140milliontons.ferriteDistrictrollingproductionprocess.ZISCSPCSPproductionlineoperation,planstousetheproductionprocessfollowingultra-thin2.0mmHotStrip,thecurrentdomesticTangshanIronandSteelCo.,BenxiSteelandmanyoftheCSPthinslabproductionlineshavebeenrolledferriteDistrictSystemcapacity.1.1.2hotrollednarrowstripsteelproductionAtpresent,foreigndevelopmentofanarrowstripofstagnation,outputandqualityarenothigh,thenarrowstripofdemandwillbeusingbroadbandSlitterapproach,highcost.Atotalofmorethan50setsofdomestichot-rollednarrowstripsteelmill,continuous-mill-2,3/4sets