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HOME Company COMPANY INFORMATION Company Information Message from the President Corporate Philosophy Company Profile Offices History Group Companies Products PRODUCTSTECHNOLOGY Products &＃038; Technology List of Products by Application Steel plate related Tinplate Tin Free Steel（Hi-Top） Laminated Steel Sheet（Hi-Pet） Electro-galvanized Steel Sheet（Silver Top） Nickel-plated Steel Sheet（Ni-Top） Cold Rolled Steel Sheet（TOP） Vinyl Chloride Resin Decorative Steel Sheet（VINYTOP） SF : Steel Foil Functional Materials Aluminum substrates for magnetic disks（MD） Functional film for optics（Fine Cast Film） Functional film for container（Fine Cast Film） New Materials DNA Chip Genetic Analysis System Research & Development List of products under development Sustainability SUSTAINABILITY Sustainability Society Procurement List of procured items The chemical substances (group) which Toyo Kohan regulates (The 8 edition) Inquiry --> HOME Company COMPANY INFORMATION Company Information Message from the President Corporate Philosophy Company Profile Offices History Group Companies Products PRODUCTSTECHNOLOGY Products &＃038; Technology List of Products by Application Steel plate related Tinplate Tin Free Steel（Hi-Top） Laminated Steel Sheet（Hi-Pet） Electro-galvanized Steel Sheet（Silver Top） Nickel-plated Steel Sheet（Ni-Top） Cold Rolled Steel Sheet（TOP） Vinyl Chloride Resin Decorative Steel Sheet（VINYTOP） SF : Steel Foil Functional Materials Aluminum substrates for magnetic disks（MD） Functional film for optics（Fine Cast Film） Functional film for container（Fine Cast Film） New Materials DNA Chip Genetic Analysis System Research & Development List of products under development Sustainability SUSTAINABILITY Sustainability Society Procurement List of procured items The chemical substances (group) which Toyo Kohan regulates (The 8 edition) Inquiry --> --> Products menu Products menu Steel plate related Tinplate Tin Free Steel（Hi-Top） Laminated Steel Sheet（Hi-Pet） Electro-galvanized Steel Sheet（Silver Top） Nickel-plated Steel Sheet（Ni-Top） Cold Rolled Steel Sheet（TOP） Vinyl Chloride Resin Decorative Steel Sheet（VINYTOP） SF : Steel Foil Functional Materials Aluminum substrates for magnetic disks（MD） Functional film for optics（Fine Cast Film） Functional film for container（Fine Cast Film） New Materials DNA Chip Genetic Analysis System Research & Development Research &＃038; Development Ultra-thin Steel Foil Electrolytic NiP Plating Pure Iron Foil Resin surface treatment for metal bonding Iron-based metallic foil for current collectors for all solid-state/advanced LIBs Silver Top for Composite Substrates with Excellent Resin Adhesion Flexible Copper-Clad Laminates (FCCL) Non-electrolytic plating resin film Clad Materials（FINE CLAD） HOMEProducts &＃038; TechnologyCold Rolled Steel Sheet（TOP） PRODUCTS Products & Technology／Steel Sheet-Related Products Cold Rolled Steel Sheet（TOP） TOP Cold Rolled Steel Sheet was developed by Toyo Kohan to have the ultimate thinness of 0.025 mm, a beautiful mirror-like finish, and the ability to withstand deep drawing. It is highly regarded within the industry. Excellent workability A wide range of steel grades are available for selection, and the fine degree of tempering enables mechanical properties to be controlled to meet various needs. Excellent dimensional accuracy and shape Cutting-edge equipment and operating technologies, including advanced automatic thickness control during press rolling, provide superior dimensional and thickness accuracy and shape. Ultra-thin products can be produced We can manufacture down to 25 microns, which falls within the category of metal foil. SF : Steel Foil Applications Battery cans for dry cell batteries Weather strips for doors Spark plug parts Wheel covers Bearing retainers Manufacturable Range The above manufacturable range is applicable to standard tempered steel sheet. Contact us for details. Standards General Cold Rolled Steel Sheets and Polished Hoop Steel Standards Codes（Comparable JIS Standards G 3141）FeaturesSPCC（General purpose）Perfect for bending process and simple tie process, and product types with a range of use.SPCD（For ties）Sheet sheets with superb tie and steel sheets for tie with little disparity in characteristics.SPCE（For deep ties）Obtains a beautiful surface skin even after deep tie processing throughsteel sheets possessing superb deep tie with crystal grain adjustments. Special Polished Hoop Steel Standards Codes（Comparable JIS Standards G 3311）FeaturesS35CMS45CMS50CMTo obtain high strength, use medium carbon steels in materials, and manufactured under strict controls similar to polished hoop steel. Special Thin Sheets Standards Codes（Comparable JIS Standards G 3311）FeaturesSFAn ultra thin steel sheet manufactured using a rolling method used for applications very close to foil. Base material coil tempering classifications ComparableJIS StandardsTemperingClassificationToyo Kohan TypesHR30THRBHVInternalTemperingCodeFeaturesSPCCAANAs annealed54.0 or less57.0 or less105 or lessSPCEAESPCCSSAStandard tempering（Surface roughness prevention measures）58.0 or less65.0 or less115 or lessSOSNSBSPCDSDDeep Tie UsesSPCESDEDeep Tie UsesSPCC881/8 hardness ditto49.0-63.050.0-71.095-130SUS1/8 hardness ditto（Manufactured using　continuous annealing method）SPCC44M1/4 hardness ditto58.0-68.065.0-80.0115-150SU41/4 hardness ditto（Manufactured using　continuous annealing method）SU51/4 hardness ditto（Manufactured using　continuous annealing method）221/2 hardness ditto64.0-74.074.0-89.0135-1852C1/2 hardness ditto（Manufactured using　continuous annealing method）11Hardness71.0 or more85.0 or more170 or more Chemical Composition TypeCMnPSFeSPCC0.15 or less1.00 or less0.100 or less0.035 or lessBalSPCD0.10 or less0.50 or less0.040 or less0.035 or lessBalSPCE0.08 or less0.45 or less0.030 or less0.030 or lessBal Surface finish Surface finishCodeDescriptionToyo Kohan StandardsDull FinishDMatte finish using roll that mechanically roughens surface.Type 5Bright FinishBSmooth finish using roll that makes a smooth finish.Type 6 Mechanical Characteristics Tensile Strength and Elongation ComparableJIS StandardsTemperingClassificationInternalTemperingCodeTensile Strength (N/mm2)Elongation (%)Thickness Classification (mm)All plate thicknesses (0.10 mm or thicker)0.10 or moreless than 0.150.15 or moreless than 0.200.20 or moreless than 0.250.25 or moreless than 0.300.30 or moreless than 0.400.40 or moreless than 0.600.60 or moreless than 0.800.80 or moreless than 1.001.00 or moreless than 1.601.6 or moreless than 2.3SPCCAAN270 or more23 or more23 or more25 or more25 or more31 or more34 or more36 or more36 or more37 or more38 or moreSPCEAE270 or more27 or more27 or more29 or more32 or more35 or more38 or more40 or more40 or more41 or more42 or moreSPCCSSA270 or more23 or more23 or more25 or more28 or more31 or more34 or more36 or more36 or more37 or more38 or moreSOSN270 or more&＃8211;23 or more25 or more28 or more30 or more30 or more32 or more&＃8211;&＃8211;&＃8211;SB270 or more&＃8211;23 or more25 or more30 or more32 or more34 or more34 or more&＃8211;&＃8211;&＃8211;SPCDSD270 or more25 or more25 or more27 or more30 or more33 or more36 or more38 or more38 or more39 or more40 or moreSPCESDE270 or more27 or more27 or more29 or more32 or more35 or more38 or more40 or more40 or more41 or more42 or moreSPCC88SUS290-410&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;25 or more25 or more&＃8211;&＃8211;&＃8211;44M370-490&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;10 or more10 or more&＃8211;&＃8211;&＃8211;SU4SUS22440-590&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;20 or less&＃8211;&＃8211;&＃8211;&＃8211;2C&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;10 or less&＃8211;&＃8211;&＃8211;&＃8211;11550 or more&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;&＃8211;&＃8211; Tensile specimen is set to comparable JIS Standards 5 press rolled direction. 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