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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HOTROLLEDPLATESTEEL11HOTROLLEDPLATESTEELPRODUCTIONHOTROLLEDSTRIPSTEELISANIMPORTANTSPECIES,THEENTIRESTEELINDUSTRYSTECHNOLOGICALPROGRESSANDECONOMICEFFICIENCYHASANIMPORTANTIMPACTDEVELOPEDHOTROLLEDSTRIPSTEELHOTROLLEDSTEELPRODUCTIONACCOUNTEDFORABOUT50PERCENT,ANDINTHEINTERNATIONALMARKETCOMPETITIONINTHELEADINGPOSITIONCHINASIRONANDSTEELINDUSTRIALOUTPUTGROWINGFASTERINRECENTYEARS,BUTTHENUMBEROFHIGHVALUEADDEDPRODUCTSANDLOWERQUALITYCHINASGENERALHOTROLLEDSTRIPSTEELPRODUCTSISTHEMINIMUMTHICKNESSOF18MM,BUTINFACTONLYVERYFEWPRODUCTIONISLESSTHANTHETHICKNESSOF20MMHOTSTRIP,EVENIFTHENARROWSTRIP,THETHICKNESSOFPRODUCTSGENERALLYLARGERTHAN25MMTHEREFORE,ACONSIDERABLEPARTWANTTOUSELESSTHAN2MMTHICKSTRIPOFRAWMATERIALSFORTHEUSER,ONLYTHEUSEOFCOLDROLLEDSTRIPSTEELIFTHEDEVELOPMENTOFTHETHINHOTROLLEDSTRIPSTEELSPECIFICATIONS,CANREPLACEACONSIDERABLEPORTIONOFTHEUSEOFCOLDROLLEDSTRIPSTEEL,THEPRODUCTIONCOSTSGREATLYREDUCED111HOTROLLEDSTEELPRODUCTIONBROADBANDBROADBANDFOREIGNHOTROLLEDSTEELPRODUCTIONOFTECHNOLOGICALPROGRESSINTHEFOLLOWINGAREAS①TROPICALSTEELWITHOUTAHEADROLLINGTECHNOLOGY2WITHOUTAHEADROLLINGTECHNOLOGYCANPRODUCESTABILITYANDTHINTHINHOTROLLEDSTRIPSTEEL,BYITSGENEROUSTHANTHETRADITIONALHOTROLLINGA0001TO8001,ANDTOUSECOMPULSORYCOOLINGANDLUBRICATIONOFROLLINGPRODUCTIONTECHNOLOGYWITHNEWMATERIALPROPERTIESOFHIGHTECHPRODUCTS②CSPTECHNOLOGYITISMAINLYACOMPACTTROPICALSTEELPRODUCTIONPROCESSCSPCOMPACTSTRIPPROCESS,ONLINETROPICALSTEELPRODUCTIONPROCESSISPINLINESTRIPPRODUCTION,FLEXIBLETHINSLABROLLINGTECHNOLOGYFTSRFLEXIBLETHINSLABROLLINGCONTINUOUSCASTINGANDROLLINGDIRECTLYCONROLLTECHNOLOGY,SUCHASMORETHAN10TYPESGERMANYHASDEVELOPEDTHESMSCSPPROCESSHASBEENSUCCESSFULINROLLINGOUTTHETHICKNESSOF08MMTHINSTRIPPRODUCTS,ANDHASBEENWIDELYUSEDINHOUSEHOLDAPPLIANCES,CONSTRUCTIONINDUSTRYANDOTHERAREASOFTHEAUSTRIANVAICONROLLDEVELOPMENTOFTHEPRODUCTIONPROCESSALSOSUCCESSFULLYATHICKNESSOF09MM10MM,EXCELLENTSURFACEQUALITYHOTROLLEDTHINSTRIP,THEEXPOSEDPARTSCANBEUSEDASTHEVEHICLE;UNITEDSTATESHASSOFARPUTINTOOPERATIONTHETHINSLABCONTINUOUSCASTINGANDROLLINGPRODUCTIONLINEOFMORETHAN100OFTHEPRODUCTIONCAPACITYOF5107T/YEAR3③FERRITEDISTRICTROLLINGPRODUCTIONPROCESSITALSOKNOWNASPHASECHANGECONTROLROLLING,ISFROMBELGIUMMETALLURGICALRESEARCHCENTERIN1994,AROLLINGDEVELOPMENTOFNEWTECHNOLOGIES,THEMAINPURPOSEISTOUSETHEORIGINALSPECIFICATIONSOFHOTROLLEDTHINSTRIPREPLACETHETHICKNESSOF10MM20MMCOLDROLLEDSCOPEOFTHEPRODUCTSFERRITEDISTRICTROLLINGPRODUCTIONTECHNOLOGYDEVELOPMENTGOALISTOPRODUCETHINTHINSPECIFICATIONSOFQUALITYDEEPDRAWINGBOARDLTVSINDIANAPLANT40PERCENTOFTHEHUBBLEULTRALOWCARBONSTEELPRODUCTSUSEDFERRITEROLLINGPRODUCTIONAREA,ARVEDIUSINGFERRITEAREAOFROLLINGPRODUCTIONOFITSULTRATHINHOTROLLEDSTRIPSTEELPRODUCTIONACCOUNTSFOR25④THINSTRIPCASTINGTHECASTRIPPROCESSTHISPROCESSBYTHEUNITEDSTATESNIUKEIRONANDSTEELCOMPANY,THEAUSTRALIANCOMPANYBHPANDTHEJAPANESECOMPANYIHIJOINTDEVELOPMENTANDSUCCESSOFTHECOMPANYIN2003FORNIUKEBUILDINGTHEWORLDSFIRSTSETOFFULLCOMMERCIALIZATIONOFTHETWINROLLCASTINGTHINSTRIPPRODUCTIONLINE,USEDINTHEPRODUCTIONOFCARBONSTEELANDSTAINLESSSTEELANDCONVENTIONALCONTINUOUSCASTINGANDROLLINGMILLTECHNOLOGY,COMPAREDWITHTECHNOLOGYINVESTMENT,LOWEROPERATINGCOSTS,ENERGYCONSERVATIONANDENVIRONMENTALPROTECTION,THEADVANTAGESOFLOWEMISSION4ATPRESENT,THISWHOLEBUSINESSOFTHETHINSTRIPTWINROLLCASTINGMACHINEWITHANANNUALOUTPUTOF20MMTHEFOLLOWINGSPECIFICATIONSTHINSTRIP500,000TTHECASTINGMACHINEUSEDINLADLECAPACITYOF110T,TWINROLLCASTINGOFADIAMETEROFΦ500MM,THEHIGHESTCONTINUOUSCASTINGSPEEDOF150M/MIN,COMMONLYUSEDFORTHECONTINUOUSCASTINGSPEEDOF80M/MIN,EXPORTSSTRIPTHICKNESSOF07MM20MM,THEWIDTHOF1000MM2000MMBROADBANDDOMESTICHOTROLLEDSTEELPRODUCTIONPROFILEISASFOLLOWS①TRADITIONALHOTSTRIPMILLBAOSTEELTO2050MMHOTSTRIPMILLASANEXAMPLE,BAOSHANIRONANDSTEEL2050MMHOTROLLEDPLANTINTHEAUGUST3,1989OPERATION,HOTROLLEDUNITDESIGNEDANNUALOUTPUTOF4MILLIONTBYTHEENDOF2000TOTALPRODUCTIONOF4446MILLIONTHOTSTRIP1999ANNUALPRODUCTIONREACHED51MILLIONT,MORETHAN25PERCENTOFPRODUCTIONDESIGN,IN2000TO52MILLIONTTHEMAINPRODUCTSAREPUTANGANG,HIGHQUALITYCARBONSTEEL,LOWALLOYSTEEL,DEEPDRAWINGSTEEL,SHIPBUILDINGSTEEL,STEEL,SUCHASSPIRALWELDEDPIPEANDSTEELCOIL2050MMHOTROLLEDUNITIS3/4CONTINUOUSROLLINGMILLALLTHEMAJORPLANTEQUIPMENTFOURROUGHMILL,SEVENFINISHINGMILL,THREEFULLHYDRAULICCOILER,ANDFIVEFINISHINGLINEOPERATIONSEQUIPMENTWEIGHING60915TEQUIPMENTFROMGERMANYSMSJAMAALCONSORTIUMOFCONTRACTORS,12,EQUIPMENTOPERATIONANDSTABILITYSUBSTANTIALINCREASEINOUTPUTATTHESAMETIME,THECOMPOSITEINDICATOROFPRODUCTIONUNITSANDPRODUCTSAREALSOCONTINUOUSLYIMPROVEACCURACY,HIGHINTENSITY,HIGHLYLIMITTHEINCREASEINPRODUCTSPECIFICATIONS,PRODUCTSPECIFICATIONSTHININCREASETHEPROPORTIONHASDOUBLEDESPECIALLYTHELAST,200MMTHINTHEFOLLOWINGSPECIFICATIONSOFTHEPRODUCTSYIELDOF17PERCENT,THANINMAY1992AMOUNTEDTOYIELD498PERCENTANDTHEDESIGNREQUIREMENTSOFTHE6PERCENTHIGHERTHREETIMES5THINSPECIFICATIONSOFTHEPRODUCTSASAMAJORPRODUCTIONTARGETS,THEUSEOFBESTCOILINGTEMPERATURE,THEHEATINGTEMPERATURE,ROLLINGLOADDISTRIBUTION,ROLLINGTOOPTIMIZETHESPEED,FINISHINGONTHERACKTARGETCROWNFORREASONABLEDISTRIBUTIONOFROLLINGOUTTHESTANDARDTHICKNESS16MMCONTAINERWITHATMOSPHERICCORROSIONRESISTANTPLATES,TORESOLVETHELONGTERMDEPENDENCEONIMPORTEDSTEELCONTAINERTHESITUATION,TRYROLLINGIN2002AND12MMTHICKSUCCESSOFTHEHOTROLLEDTHINSTRIP②CSPSINCE1992,LANZHOUSTEELANDIRONANDSTEELRESEARCHINSTITUTETOESTABLISHCHINASFIRSTSETOFCSPTHINSLABCASTER,THEMAJORDOMESTICSTEELCOMPANIESHAVESPENTHUGEAMOUNTSOFMONEYOROFTHENEWHOTROLLINGPLANTTOEXPANDTHESCOPEOFVARIETY,IMPROVEPRODUCTQUALITYBAOSTEEL2050AND1580ISTHEHOTLINEOFEQUIPMENTANDAUTOMATEDCONTROLOFTHEHIGHLEVELOFTWOPRODUCTIONLINES,CANPRODUCESTABILITY≥15MMTHICKNESSOFTHEHOTROLLEDCOIL,CANALSOPRODUCEASMALLAMOUNTOFTHICKNESSOF10MM12MMULTRATHINHOTSTRIP1999CSPSTEELINTRODUCEDTHEFIRSTOFTHECSPLINE1450MM,HAVEBEENCOMPLETEDANDPUTINTOPRODUCTIONAFTERTHEHANDANIRONANDSTEEL1450MM,BAOTOUSTEEL1700MM,PANZHIHUAIRONANDSTEEL,TANGSHANIRONANDSTEEL1800MMFTSRUNITMAGANG1800MMCSPUNIT,VALIN1800MMCSPAPROJECTANDASTEELPLANTONTHE1780HOTROLLINGUNIT,BENXIIRONANDSTEEL1880MMCSPHOTCONTINUOUSCASTINGANDROLLINGPRODUCTIONLINEDESIGNEDPRODUCTIONCAPACITY28MILLIONTONS,HOTROLLINGUNITLAIWUSTEEL1450DESIGNCAPACITY2MILLIONTONS,SHAGANG1700MMHOTSTRIPMILLPRODUCTIONLINEDESIGNPRODUCTIONCAPACITY45MILLIONTONSANGANG2150MMCSPUNITDESIGNEDPRODUCTIONCAPACITY45MILLIONTONSACCORDINGTOSTATISTICS,CHINAIN2007AREEXPECTEDTOBE12HOTROLLEDPRODUCTIONLINEPRODUCTION,DESIGNOVERALLCAPACITYTO37MILLIONTONS,OFWHICHTHEDESIGNCAPACITYOF300MILLIONMETRICTONSOFHOTROLLEDLARGESCALEPRODUCTIONLINESHAVEFIVE,WERE380UNITSOFSTEEL178010,000TONS,MAGANG2250UNIT5MILLIONTONS,BAOSHANIRONANDSTEEL1880UNIT37MILLIONTONS,IRONDAY1780UNITS38MILLIONTONS,TAIWANS1780NORTHUNIT4MILLIONTONS;REMAININGSEVENHOTLINEDESIGNCAPACITYAREMORETHAN2MILLION,THEYARERIZHAOSTEEL1580UNIT2MILLIONTONS,THE1480TANGSHANSTATESHSBCUNIT2MILLIONTONS,AROLLINGPLANTQIANAN1250UNIT2MILLIONTONS,WUHAN1580UNITS28MILLIONTONS,SHANXIHAIXIN1,500UNITS22MILLIONTONS,BUILTINNINGBOUNIT178025MILLIONTONSITISESTIMATEDTHATBYTHEENDOF2007CHINASOVERALLCAPACITYWILLREACHHOT140MILLIONTONS③FERRITEDISTRICTROLLINGPRODUCTIONPROCESSZISCSPCSPPRODUCTIONLINEOPERATION,PLANSTOUSETHEPRODUCTIONPROCESSFOLLOWINGULTRATHIN20MMHOTSTRIP,THECURRENTDOMESTICTANGSHANIRONANDSTEELCO,BENXISTEELANDMANYOFTHECSPTHINSLABPRODUCTIONLINESHAVEBEENROLLEDFERRITEDISTRICTSYSTEMCAPACITY112HOTROLLEDNARROWSTRIPSTEELPRODUCTIONATPRESENT,FOREIGNDEVELOPMENTOFANARROWSTRIPOFSTAGNATION,OUTPUTANDQUALITYARENOTHIGH,THENARROWSTRIPOFDEMANDWILLBEUSINGBROADBANDSLITTERAPPROACH,HIGHCOSTATOTALOFMORETHAN50SETSOFDOMESTICHOTROLLEDNARROWSTRIPSTEELMILL,CONTINUOUSMILL2,3/4SETS

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