Chemical Composition Base Element Fe (Iron) C (Carbon) 0.95 to 1.1 % Cr (Chromium) 1.3 to 1.65 % Fe (Iron) 95.4 to 97.5 % (estimate) Mn (Manganese) 0.15 to 0.4 % Mo (Molybdenum) 0.2 % (maximum) Ni (Nickel) 0.35 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.1 to 0.4 % V (Vanadium) 0.15 % (maximum) W (Tungsten) 0.3 % (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 Rockwell Hardness C scale 62 Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group Mold steel and special-purpose tool steel Alloy Sub-Group Low-alloy tool steel Country Hungary Standards Body MSZ (Hungary) Description Quenched and tempered Designation K4 Specification Type Standard Specification MSZ 4352 Specification Year 1984 Specification Status Active 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 Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Chemical Composition