High Cr steel with a low C content, and corrosion resistance and workability are excellent. Grade JIS Grade Chemical composition (mass %) Character and usage C Si Mn P S Ni Cr Mo N Al U405 SUS405 0.08 Max 1.00 Max 1.00 Max 0.040 Max 0.030 Max 0.60 Max 11.50〜 14.50 - - 0.10〜 0.30 Not hardening by cooling from the high temperature. Turbine, Parts for quenching, Clad metal U410L SUS410L 0.030 Max 1.00 Max 1.00 Max 0.040 Max 0.030 Max 0.60 Max 11.00〜 13.50 - - - Good bendability of weld, workability, High temperature oxidation resistance Exhaust processing equipment of vehicle, Parts for boiler U430 SUS430 0.12 Max 0.75 Max 1.00 Max 0.040 Max 0.030 Max 0.60 Max 16.00〜 18.00 - - - General-purpose steel with excellent corrosion resistance Architectural interior, Oil burner parts, Household appliance, Household electrical appliancedomestic U430F SUS430F 0.12 Max 1.00 Max 1.25 Max 0.060 Max 0.15 以上 0.60 Max 16.00〜 18.00 0.60 Max - - Improving machinability of 430 U434 SUS434 0.12 Max 1.00 Max 1.00 Max 0.040 Max 0.030 Max 0.60 Max 16.00〜 18.00 0.75〜 1.25 - - Improvement steel of 430, Stronger than 430 in salinity Usage for the car exterior U447J1 SUS447J1 0.010 Max 0.40 Max 0.40 Max 0.030 Max 0.020 Max ※ 28.50〜 32.00 1.50〜 2.50 0.015 Max - Improved corrosion resistance through high Cr-Mo and extremely low C and N. Good for plants that handle such organic acids as acetic acid and lactic acid and for caustic soda plants. Resistance to Stress Corrosion Cracking caused by halogen ions. Use for pitting corrosion resistance and pollution control equipment. UXM27 SUSXM27 0.010 Max 0.40 Max 0.40 Max 0.030 Max 0.020 Max ※ 25.00〜 27.50 0.75〜 1.50 0.015 Max - Usage in which both character to which 447J1 is similar and usage, corrosion resistance, and soft magnetic are needed. - From Cu 0.20% or less to Ni+Cu 0.50% or less from Ni 0.50% or less

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