Doosan_CASTING & FORGING BUSINESS GROUP

CASTINGS&FORGINGSCREATINGVALUEFORTHEWORLDDOOSANHEAVYINDUSTRIES&CONSTRUCTIONGLOBALLEADERINPOWER&WATERDoosanconsistentlyhighqualityandsuperbtechnologyhaveresultedinasteadystreamofrequestsfromloyaloverseascustomers.CastingsandforgingsaretheprideofDoosan.Thisbusinessissupportedbyworld-classproductionsystemsandawealthoffabricationexperienceandknow-how.03CONTENTSINTRODUCTION04STEELFOUNDRY06FORGESHOP07QUALITYASSURANCE08POWERPLANTEQUIPMENT10VERTICALHEAT-TREATMENTFORHP-TURBINEROTORSHAFTMARINEPARTS11CEMENT&MININGPLANTS15IRON&STEELMAKINGMACHINERY16PLASTICMOLDSTEEL17DIE&TOOLSTEEL18CASTINGS&FORGINGSINTRODUCTIONCASTINGS&FORGINGSDOOSANHEAVYINDUSTRIES&CONSTRUCTION05Doosancameintoexistencein1962asapioneerinthefieldofheavyindustriesinKorea.Sincethattime,ithasmanufacturedandsuppliedvarioustypesofsteelcastingsandforgingsbothfordomesticandoverseascustomers.DoosanHeavyIndustries&ConstructionCo.,Ltd.(Doosan),thelargestandthemostmodernfully-integratedmanufacturingcompanyintheRepublicofKorea,specializesinmanufacturingthefollowingmainproducts:PowerPlantEquipmentChemicalandPetrochemicalPlantEquipmentIronandSteelMakingMachineryMarineDieselEnginesHeavyCastingsandForgingsDoosancameintoexistencein1962asapioneerinthefieldofheavyindustriesinKorea.Sincethattime,ithasmanufacturedandsuppliedvarioustypesofsteelcastingsandforgingsbothfordomesticandoverseascustomers.Doosanhastwolargeshops,asteelfoundryandaforgeshop,forcastingsandforgingsatitsChangwonPlant,bothofwhichareequippedwiththemostup-to-date,fullyautomatedandnumericallycontrolledfacilitiesandequipment.Thesteelfoundryequippedwitha100-tonelectricarcfurnaceiscapableofmanufacturingheavycastingsupto350tons,whileheavyforgingsupto300tonscanbemanufacturedattheforgeshopwhichisequippedwitha13,000-tonhydraulicforgingpress.Withmodernfacilitiesandastrictqualityassurancesystemtogetherwiththelatesttechnicalknow-howandmanyyearsofexperience,Doosanlooksforwardtosupplyingitscustomerswithtopqualitycastingsandforgings.PRODUCTCATEGORYMaximumProductSizeSteelCasting----------350tonsSteelForging----------280tonsMaterialCarbonSteelLow-AlloySteelStainlessSteelHeat-ResistingSteelPlasticMoldSteelToolSteelOthersSteelGradeCommercialSteelE.S.R.SteelVacuumTreatedSteelSTEELFOUNDRYCASTINGS&FORGINGSDoosan’ssteelfoundryconsistsofsteel-makingandcastingshops.Thesteel-makingshopequippedwithelectricarcfurnacesandladlefurnaceshasasimultaneoustappingcapacityof700tonsandannualproductioncapabilityof260,000tonsofmoltensteel.Thislinealsohasvacuumstreamde-gassingequipmenttoproduceheavyingotsforforgingandvacuumoxygende-carburizingequipmentforstainlesssteel.Thecastingshophasanannualproductioncapabilityof22,000tonsofvarioussteelcastingsuptoaunitweightof350tons.Thelayoutofthisshopwasdesignedandfittedforthefuransand-moldingprocess,oneofthemostadvancedmoldingprocesses.Itconsistsofclosed-loopsandpreparation,continuoussandmixing,sandreclamationequipmentandotherrelatedfacilities.DescriptionSpecificationQ’tyElectricArcFurnace100tons,30tons2unitsLadleRefiningFurnace155tons1unitVacuumOxygenDe-carburizationmax.Furnace130tons1unitVacuumStream500kg1unitDe-gassingEquipment(at0.5torr)MobileSandMixer25tons/hr2unitsTable-TypeShotBlastMachine250tons1unitHeat-TreatmentFurnacemax.300tons5unitsDOOSANHEAVYINDUSTRIES&CONSTRUCTION07FORGESHOPTheforgeshopissymbolizedbyitsmammoth13,000-tonhydraulicforgingpress.Thisshopisequippedwithafullyautomatedandcomputerizedforgingprocess,variouskindsofheat-treatmentandotherrelatedfacilities.Ofparticularnotes,the13,000-tonhydraulicforgingpressisinthelargestclassintheworld.Theverticalheat-treatmentfurnaceofwhichworkingcapacityisupto3metersindiameterand20metersinlength,isanotherfacility.Inadditiontothese,thisshopalsohastheelectro-slagremeltingfurnacewhichmakesitpossibleforDoosantomanufacturehomogeneousanddefect-freesteelingotsofthehighestquality.Withallofthesemodernfacilitiesandequipment,Doosancandelivervarioussteelforgingsintheshapesofshafts,ringforgings,forgedplates,forgedblocksandbars,andsoonuptoaunitweightof300tons.Theannualproductioncapabilityofthisshopis140,000tons.DescriptionSpecificationQ’ty13,000tons3unitsForgingPresswithManipulator4,200tons1,600tonsHeatingFurnace15~450tons16unitsHeat-TreatmentFurnace50~300tons21units3mØx20mdepth3unitVerticalHeat-TreatmentFurnace2mØx20mdepth1.5mØx16mdepthElectro-SlagRemeltingFurnace1,650Øx5,000L1unitQUALITYASSURANCECASTINGS&FORGINGSDoosan’squalityassuranceprogramisbasedonacomprehensiveanddocumentedqualitysystemencompassingcarefulinspectionandtestsofprocessesandproducts.Theresultsofinspectionandtestingarefedbackintotheengineeringandbasicmanufacturingprocesstoimprovetheentiresystem.Thissystemisdesignedtoprovidequalityproductsthatwillmeettheneedsofcustomers,andhasbeendesignedfornuclearandnon-nuclearapplicationsforelectricutilities,marine,andotherindustrialapplications.Asaresultofthisscientificqualityprogram,DoosanhasbeenhonoredandauthorizedtouseASME“N”and“NPT”stampscoveringnuclearfabricationsince1981,and“A”,“PP”,“S”,“U”and“U2”stampsforboilerpipingandvesselssince1982.Inaddition,Doosanhasals