Chemical Composition Base Element Fe (Iron) C (Carbon) 0.2 % (maximum) Cr (Chromium) 8 to 10 % Cu (Copper) 0.5 % (maximum) Fe (Iron) 85.8 to 90.7 % (estimate) Mn (Manganese) 0.35 to 0.63 % Mo (Molybdenum) 0.9 to 1.2 % Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.045 % (maximum) Si (Silicon) 1 % (maximum) W (Tungsten) 0.1 % (maximum) Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 413 MPa (minimum) Ultimate Tensile Strength 620 to 792 MPa Elongation 18 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Martensitic stainless steel Alloy Sub-Group CA-15/ CA-40 grades Country South Korea Standards Body KS (South Korea) Description Heat resistant cast steels, martensitic system Designation C12 Specification Type Standard Specification KS D 3747 Specification Year 1993 Specification Status Active Specification Status Notes Active Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations Bureau of Indian Standards (BIS)
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Chemical Composition