Chemical Composition Base Element Fe (Iron) C (Carbon) 0.81 % Cr (Chromium) 4.08 % Fe (Iron) 89.4 % (estimate) Mn (Manganese) 0.3 % Mo (Molybdenum) 4.25 % Si (Silicon) 0.2 % V (Vanadium) 1 % 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 4.45e7 lbf/ft^2 Ultimate Tensile Strength 5.92e7 lbf/ft^2 Elongation 2 % strain Rockwell Hardness C scale 64 Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group High-speed tool steel Alloy Sub-Group Molybdenum high-speed steel Country USA Standards Body SAE (USA) Description Special purpose alloys Designation M50 Specification Type Standard Specification SAE J467 Specification Year 1968 Specification Status Active Specification Status Notes active 1968 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 SAE, International (SAE) (SAE J)
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Chemical Composition