Chemical Composition Base Element Fe (Iron) C (Carbon) 1.45 to 1.65 % Ca (Calcium) 0.03 % (maximum) Cr (Chromium) 11 to 12.5 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 83.3 to 86.8 % (estimate) Mn (Manganese) 0.15 to 0.45 % Mo (Molybdenum) 0.4 to 0.6 % Ni (Nickel) 0.4 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.1 to 0.4 % V (Vanadium) 0.15 to 0.3 % Zr (Zirconium) 0.015 % (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 Brinell Hardness 255 Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group Cold-work tool steel Alloy Sub-Group High-carbon high-chromium cold-work steel Country Russia Standards Body GOST (Russia) Description Alloy tool steel Group I. Designation KH12MF Specification Type Standard Specification GOST 5950 Specification Year 2000 Specification Status Active Specification Status Notes Active 2005 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations State Committee of the Russian Federation for Standardization and Metrology Gosstandart of Russia (GOST)
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Chemical Composition