Ferritic Stainless SteelImproved Cold WorkabilitySuper Free-cuttingFerritic Stainless Steel of Improved Cold Workability : LAK51,LAK52Features and ApplicationsFeaturesStainless steel with superior corrosion resistance and cold workability for complex shapeApplications Small screw, anchor bolt, rivet, parts for automobile and home applianceChemical CompositionDAIDO BRANDChemical Composition（mass%）JIS CNiCrMoSpecial element LAK510.01ー19.0ーAddedSUS430LX LAK520.01ー20.01.0Addedー CharacteristicsLAK51Cold workability is greatly superior to SUS304 and SUSXM7, exceeding SUS430. Corrosion resistance is superior to SUS430.LAK52High corrosion resistance type of LAK51. Corrosion resistance is equivalent to SUS304. Cold workability is equal to LAK51.Technical DataCorrosion ResistanceSalt spray test （JISZ2371） （35℃,5%NaCl,96H）LAK51LAK52SUS430SUS304SUSXM7SUS303 AABAAB A：No rust development　B：small rust development　C：big rust developmentTop of PageSuper Free-cutting Ｆerritic Stainless Steel : DSR6FFeatures and ApplicationsFeaturesStainless steel with improved machinability by adding free-cutting component ApplicationsPrecision machined parts (e.g. automobile, home appliance, office automation equipment)Chemical CompositionDAIDO BRANDChemical Composition（mass%）JISCSiMnSCrMoSpecial elementDSR6F0.010.51.2>0.1520.02.0AddedーCharacteristicsDSR6FMachinability is about 8 times better comparing to SUS303（Ultra hard tool life).Corrosion resistance is equivalent to SUS303.Cold workability is about twice better comparing to SUS303.Machinability and Corrosion ResistancePickup Characteristics Map What is Stainless Steel？ Stainless SteelDAIDO BRANDChemical CompositionCharacteristics MapApplicationClassificationShapeWhat is Stainless Steel？List of Daido grades (PDF:175KB)List of JIS grades (PDF:174KB)

Procurement Item Equipment Item：Ladle　Specification：LadleBody Does not include the refractory materials in the welding structure.FrequencyAbout one unit/yearTerms of deliveryTo be received at the place specified by our company Item：Clamshell bucket　Specification：Clamshell bucketBodyWelding structureFrequencyAbout one unit/year for A.B.O furnace and E.F furnaceTerms of deliveryDelivery on demand Item：Graphite electrode grasper　Specification：Graphite electrode grasperBodyCopper alloy cast products or welded productsFrequencyAbout 2 units/year for 20 inchAbout 2 units/year for 22 inchAbout 1 units/year for 16 inchAbout 1 units/year for 14 inchAbout 1 units/year for 10 inchTerms of deliveryDelivery on demandPickupItemProcurementPresident MessageManagement PhilosophyCorporate ProfileHistoryOfficersOrganizationLocationsDomestic GroupOverseas GroupＲ＆ＤR & D CenterActivitiesCollaborationProcurementProcurementItemProcedures

Austenitic Stainless SteelHigh-strength・Non-magneticHigh Corrosion ResistanceFree-cuttingSulfuric Free-cutting Improved Cold WorkabilityHigh Strength and Non-magnetic Austenitic Super Stainless Steel : DSH400F,DSN6,DSN9Features and ApplicationsFeaturesHigh hardness/strength stainless steel by cold workingApplicationsShaft for motor, guide pin for VTR, gasket, drilling screwChemical CompositionDAIDO BRANDChemical Composition（mass%）JISCMnSNiCrMoDSH400F0.101.80.29.518.0–DSN60.091.5-12.018.0–DSN90.036.0-10.023.02.0- CharacteristicsDSH400FHardness is higher than SUS303.Permeability at Hv400 is μ≦1.01, and it is machinable.Corrosion resistance is equivalent to SUS303.DSN6Hardness Hv500 is achieved by cold working. Hardness becomes higher by precipitation hardening treatment.Permeability at Hv480～500 is μ≦1.01.Corrosion resistance is better than SUS304.DSN9Proof strength is almost equivalent to duplex stainless steel (SUS329J1). It is available in the sea due to excellent seawater resistance. Hardness Hv500 is achieved by cold working. Hardness becomes higher by precipitation hardening treatment. Even 80% of cold working, permeability is low at μ≦1.01. Heat resistance is equivalent to SUH660, better than SUS310.Technical DataTop of PageHigh Corrosion Resistance Austenitic Super Stainless Steel : SA-1Features and ApplicationsFeaturesHigh corrosion resistant stainless steel for nuclear power generation developed under the project of ANERI（Advanced Nuclear Equipment Research Institute）（Nuclear Standard GSUS317J4L）ApplicationsPump parts for nuclear power generation（Genkai Power Plant of Kyushu Electric Power Co., Inc. Takahama Power Plant of The Kansai Electric Power Co., Inc. Ikata Power Plant of Shikoku Electric Power Co., Inc.）Chemical CompositionDAIDO BRANDChemical Composition（mass%）JISNiCrMoSA-125197SUS836LCharacteristicsExcellent seawater corrosion resistance; in seawater, corrosion resistance is equivalent to DSALOY625 and Ti. High strength; strength at normal temperature is 30% higher than SUS304 and SUS316Technical DataTop of PageAusteniticFree-cuttingStainless Steel : 304BFFeatures and ApplicationsFeaturesStainless steel with improved machinability retaining cold workability by adding special chemical element.ApplicationsTableware, container, bolt, nutChemical CompositionDAIDO BRANDChemical Composition（mass%）JISCSiMnNiCrSpecial element304BF0.070.50.79.018.5AddedSUS304Mechanical PropertiesDAIDO BRANDMechanical PropertiesHeat treatment0.2%proof stress(N/mm2)Tensile strength(N/mm2)Elongation （%）Reduction （%）Hardness （HB）304BF≧205≧520≧40≧60≦1871010～1150 speed cooling Characteristics304BFMachinability is twice comparing to SUS304. Corrosion resistance is equivalent to SUS304.Free-cutting stainless steel with good cold workability. Cold workability is almost equivalent to SUS304.No inclusion of regulated chemical element to food machinery (e.g. Pb) .Machinability and Corrosion ResistanceTop of PageAustenitic Sulfuric Free-cutting Stainless Steel : DSN03FAFeatures and ApplicationsFeaturesStainless steel with improved machinability by adding free-cutting componentApplicationsPrecision parts for automobile, office equipment, VTR, camera, watch and etcChemical CompositionDAIDO BRANDChemical Composition（mass%）JISCSiMnPSNiCrDSN03FA0.070.21.70.030.39.018.0SUS303Mechanical PropertiesDAIDO BRANDMechanical PropertiesHeat treatment0.2%proof stress(N/mm2)Tensile strength(N/mm2)Elongation（%）Reduction（%）Hardness（HB）DSN03FA≧205≧520≧40≧50≦1871010～1100 speed cooling CharacteristicsDSN03FASuperior finished surface is achieved by good machinability.Suitable for high speed machining of automatic board.Mechanical property (under normal and high temperature) is equivalent to SUS304.MachinabilityTop of PageAustenitic Stainless Steel of Improved Cold Workability : DSK2U,DSK3U,DSK6UFeatures and ApplicationsFeaturesCold workability is greatly superior comparing to general JIS grade.ApplicationsSmall screw, bolt, cold working partsChemical CompositionDAIDO BRANDChemical Composition（mass%）JISCNiCrMoCuDSK2U0.049.018.03.0SUSXM7 DSK3U0.0311.017.02.53.0SUS316J1 DSK6U0.0510.018.03.0- CharacteristicsDSK2UEquivalent to SUSXM7DSK3UHeader property is better than SUSXM7. Corrosion resistance, especially sulfuric acid resistance, is superior to SUS316.DSK6UStainless steel for high strength header(About 10T strength is achieved by cold working.）Technical DataPickup Characteristics Map What is Stainless Steel？ Stainless SteelDAIDO BRANDChemical CompositionCharacteristics MapApplicationClassificationShapeWhat is Stainless Steel？List of Daido grades (PDF:175KB)List of JIS grades (PDF:174KB)

Procurement Item Steel Item：Iron scrap　Specification：Heavy gradeGradeSize(mm) Weight(kg)PackingChemical composition(%)WidthLengthThicknessCuNiCrMoHS ≦500≦700≧3≦600Loose or not packaged by press≦0.30≦0.25≦0.25≦0.05H1≦500≦1,200≧6H2≦500≦1,2003≦　＜6H3≦500≦1,2001≦　＜3H4≦500≦1,200＜1 Disapproval Containing radioelementtem：Iron scrap　Specification：Newly cutGradeSize(mm)Weight(kg)PackingChemical composition(%)RemarksWidthLengthThicknessCuNiCrMoNewly cut pressTotal of 3 sides　≦1,800≦1,000No bag≦0.30≦0.25≦0.25≦0.05Pressed itemsMaximum side　　≦800 Newly cut loose A≦200≦300≧0.6－LooseNewly cut loose B≦500≦700≧0.6－Item：Iron scrap　Specification：DRIGradeSize Width Length ThicknessWeight(kg)PackingChemical composition(％)RemarksCuNiCrMoSteel DRI pressTotal of 3 sides ≦1800 ≦1,000No bag ≦0.30≦0.25≦0.65≦0.36Pressed itemsMaximum side 　≦800Steel DRI Sa side ≦100－Steel DRI Aa side ≦1,000－Steel DRI Ba side ≦1,000Extremely curled Disapproval Containing radioelementItem： Iron scrap　 Specification：Shredder scrapGradeSize（mm）LotPackingChemical composition（％）RemarksWidthLengthThicknessCuNiCrMoA shredder≦100≦200－One vehicle or one vesselBulk≦0.30≦0.25≦0.25≦0.05Shredded automobile bodyBshredderShredded steel plate or sheetC shredderShredded can Disapproval Containing radioelementItem：Iron scrap　Specification：C pressGradeSize（mm）Weight(kg)LotPackingChemical composition（％）RemarksWidthLengthThicknessCuNiCrMoC pressTotal of 3 sides≦1,800Maximum side≦800 ≦1,000kgOne vehiclepress≦0.30≦0.25≦0.25≦0.05Pressed can Disapproval Containing radioelement PickupItemProcurementPresident MessageManagement PhilosophyCorporate ProfileHistoryOfficersOrganizationLocationsDomestic GroupOverseas GroupＲ＆ＤR & D CenterActivitiesCollaborationProcurementProcurementItemProcedures

Precipitation Hardening Stainless SteelPrecipitation Hardening Stainless Steel of Improved Cold Workabilty : SUS630-S,DSP1HFeatures and ApplicationsFeaturesCold workability and machinability is greatly improved under solution heat treatment condition.ApplicationsBolt, shaft, high strength pinChemical CompositionDAIDO BRANDChemical Composition（mass%）JISCNiCrCuFree-cuttingSUS630-SULC4.516.03.0AddedSUS630DSP1H0.026.513.0—CharacteristicsSUS630-SChemical composition is within JIS standard of SUS630 and modified to improve cold workability and machinability under solution heat treatment condition.Compression property is 15～20% lower than SUS630 regarding stress-strain.Hardness and corrosion resistance after precipitation hardening treatment is equivalent to SUS630.DSP1HHigh hardness is achieved by short precipitation hardening treatment.Corrosion resistance is better than SUS420J2, lesser than SUS630.Cold work hardening property is less and it is available for cold header.Technical DataPickup Characteristics Map What is Stainless Steel？ Stainless SteelDAIDO BRANDChemical CompositionCharacteristics MapApplicationClassificationShapeWhat is Stainless Steel？List of Daido grades (PDF:175KB)List of JIS grades (PDF:174KB)

Procurement Item Alloy Item：Ni　 Specification：MNiItemSymbolShapePackingChemical composition(%)RemarksＮｉMNiMNipellet or cathodeDrum(200kg～500kg)≧99.9Disapproval ;Wet、foreign material incorporationLME brand (size is separate) Item：Ni　Specification: FNiHItemSymbolShapePackingSizeChemical composition(%)RemarksNiCoCuCSiPSCrMn FNiHFNiHShotGrain flexible container bag(1t or 2t)10～50mm≧16.0≦1/20Ni≦0.1≦3.0≦5.0≦0.05≦0.03≦2.5≦0.5No foreign matter Item：Cr　Specification: FCrHItemSymbolShapePackingSizeChemical composition(%)RemarksCrCPSSiTiFCrHFCrHLumpBulk3～200mm≧50≦8.0≦0.030≦0.07≦8.0－Wet、foreign material incorporationFCrH(L/Ti)FCrH(L/Ti)LumpBulk10～50mm≧50≦8.0≦0.030≦0.07≦8.0≦0.10 Item：Cr　Specification: FCrLItemSymbolShapePackingSizeChemical composition(%)RemarksCrCPSSiTiFCrLFCrLGrainBulk3～10mm56～67≦0.1≦0.03≦0.03≦1.5≦0.01Wet、foreign material incorporation Item：Cr　Specification: FCrMItemSymbolShapePackingSizeChemical composition(%)RemarksCrCPSSiTiFCrMFCrMGranuleBulk3～10mm53～58≦2.0≦0.025≦0.020≦0.2≦0.012Wet、foreign material incorporation Item：Mo　Specification: FMoLItemSymbolShapePackingSizeChemical composition(%)RemarksMoPSCuCSiFMoLFMoLLump25kg box10～30mm60～70≦0.06≦0.10≦0.50≦0.10≦0.20Wet、foreign material incorporation Item：Mo　Specification: MoO3ItemSymbolShapePackingSizeChemical composition(%)RemarksMoPSCuPbMoO3MoO3PowderDrum(≦250kg)－≧50≦0.03≦0.2≦1.0≦0.05Wet、foreign material incorporation Item：Si　Specification: MSiItemSymbolShapePackingSizeChemical composition(%)RemarksSiCPSAlCaFeMSiMSiLumpflexible container bag(1t)10-30mm≧98≦0.1≦0.05≦0.05≦0.40≦0.40≦0.70Wet、foreign material incorporationGrain25kg bag3-10mm Item：Si　Specification: FSiItemSymbolShapePackingSizeChemical composition(%)RemarksSiCPSAlCaFSi2FSi2LumpBulk10-50mm75～80≦0.2≦0.05≦0.02≦2.0－Wet、foreign material incorporationFSi2(L/Ca)FSi2(L/Ca)LumpBulk10-50mm75～80≦0.2≦0.035≦0.02≦0.5≦0.07 Item：Mn　Specification: MMnItemSymbolShapePackingSizeChemical composition(%)RemarksMnCSiPSFeMMnMMnFlakeflexible container bag(500kg or 1t)－≧99.9≦0.01≦0.01≦0.01≦0.03≦0.01Wet、foreign material incorporation Item：Mn　Specification: FMnHItemSymbolShapePackingSizeChemical composition(%)RemarksMnCSiPSFeFMnHFMnHLumpBulk10～50mm73～78≦7.3≦0.6≦0.4≦0.02≦0.01Wet、foreign material incorporation Item：Mn　Specification: FMnLItemSymbolShapePackingSizeChemical composition(%)RemarksMnCSiPSFMnLFMnLGrainBulk3～10mm75～85≦1.0≦1.0≦0.2≦0.02Wet、foreign material incorporation Item：Mn　Specification: FMnMItemSymbolShapePackingSizeChemical composition(%)RemarksMnCSiPSFMnMFMnMLumpBulk10-50mm75～85≦2.0≦1.0≦0.2≦0.02Wet、foreign material incorporation Item：Mn　Specification: SiMnItemSymbolShapePackingSizeChemical composition(%)RemarksMnCSiPSBSiMn3SiMn3LumpBulk10-50mm≧65≦2.5≧14≦0.3≦0.03≦0.020Wet、foreign material incorporation Item：V　Specification: FVItemSymbolShapePackingSizeChemical composition(%)RemarksVAlCSiPSFV1FV1Lumpflexible container bag(500kg) or 25kg bag3-50mm75～85≦4.0≦0.2≦2.0≦0.10≦0.10Wet、foreign material incorporationFV2FV245～55≦4.0≦0.2≦2.0≦0.10≦0.10 Item：W　Specification: FWItemSymbolShapePackingSizeChemical composition(%)RemarksWAsCSiPSCuMnSnFWFWLumpDrum3-30mm75～85≦0.10≦0.60≦0.50≦0.05≦0.05≦0.10≦0.50≦0.08Wet、foreign material incorporation Item：W　Specification: WO3ItemSymbolShapePackingSizeChemical composition(%)RemarksWO3AsMoPSCuSnWO3WO3PowderDrum(≦250kg)－≧70≦0.03≦2.0≦0.02≦0.5≦0.01≦0.01Wet、foreign material incorporationPickupItemProcurementPresident MessageManagement PhilosophyCorporate ProfileHistoryOfficersOrganizationLocationsDomestic GroupOverseas GroupＲ＆ＤR & D CenterActivitiesCollaborationProcurementProcurementItemProcedures

Duplex Stainless SteelHigh Strength and Corrosion Resistance Duplex Stainless Steel : DSD1H、DSD5Features and ApplicationsFeaturesComparing with SUS329J1, it has following features by adjustment and addition of chemical composition;Improved corrosion resistance at sensitization temperatureImproved hot workabilityPrevention of grain coarsening at high temperatureApplicationsDSD1HSeawater pump, chemical equipment, synthetics nozzleDSD5Seawater pump, boltChemical CompositionDAIDO BRANDChemical Composition（mass%）JISNiCrMoSpecial elementDSD1H5.524.01.5AddedSUS329J1DSD55.524.02.8AddedSUS329J4LCharacteristicsDSD1HMechanical property is 0.2% higher than SUS304. Proof strength is about 1.8 times.Corrosion resistance is better than SUS316.Machinability is superior to SUS316.DSD5Mechanical property is 0.2% higher than SUS304. Proof strength is about twice of that.Corrosion resistance, especially pitting corrosion resistance, is superior to SUS316.Machinability is superior to SUS316.Technical DataPickup Characteristics Map What is Stainless Steel？ Stainless SteelDAIDO BRANDChemical CompositionCharacteristics MapApplicationClassificationShapeWhat is Stainless Steel？List of Daido grades (PDF:175KB)List of JIS grades (PDF:174KB)

Procurement Item Special scrapItem：Stainless steel scrap　Specification: SUS-Ni scrap ItemSize（mm）WeightPackingWidthLengthThickness18-8 scrapTotal of 3 sides 100～1,800and length≦1,200 ≦1,000kgBulk Item：Stainless steel scrap　Specification: SUS-Ni scrap (DRI)ItemPackingChemical composition（％）RemarksMnPSCuNiCrMoVWAsSnPbCoSbNbAg 18-8 DRIBulk≦ 3.0≦0.045≦0.040≦0.508.00～15.0017.00～22.00≦0.50≦0.50≦0.50≦0.05≦0.05≦0.02≦0.50≦0.005≦0.10≦0.005With extra-fine Item：Stainless steel scrap　Specification: SUS-Ni scrap (shredder)ItemPackingChemical composition（％）MnPSNiCrMoVWAsSnPbCoSbNbAg 18-8 shredderBulk≦3.0≦0.045≦0.0408.00～15.0017.00～22.00≦0.50≦0.50≦0.50≦0.05≦0.05≦0.02≦0.50≦0.005≦0.10≦0.005PickupItemProcurementPresident MessageManagement PhilosophyCorporate ProfileHistoryOfficersOrganizationLocationsDomestic GroupOverseas GroupＲ＆ＤR & D CenterActivitiesCollaborationProcurementProcurementItemProcedures

Characteristics Map Machinability and Corrosion Resistance (Click DAIDO Grade for details) Pickup Characteristics Map What is Stainless Steel？ Stainless SteelDAIDO BRANDChemical CompositionCharacteristics MapApplicationClassificationShapeWhat is Stainless Steel？List of Daido grades (PDF:175KB)List of JIS grades (PDF:174KB)

Vacuum carburizing furnace ModulTherm®Outline of “demonstration furnace” to be installed at the Takiharu Techno CenterThe demonstration furnace, which has the same construction as the volume equipment is installed at our Takiharu Techno Center, is open to customers who visit and wish to try operation of the equipment.  It will contribute to the smooth start of the equipment of the customers to get the requirements before the installation of the volume production furnace. Major specifications of test furnace Effective dimensionsL1000×W600×H750(mm) Loading capacity500kg（gross） Cooling methodOil cooling（corresponding to semi-hot hardening) Basic layoutPickupRoller hearth STC® furnace Machinery MachineryVacuum carburizing furnace ModulTherm®Roller hearth STC®furnaceHeat treatment furnaceReheating furnaceVacuum and sinterring furnaceMelting and refining furnaceEnvironmental equipment