Chemical Composition Base Element Fe (Iron) C (Carbon) 0.95 to 1.05 % Cr (Chromium) 4.75 to 5.5 % Fe (Iron) 90 to 92.8 % (estimate) Mn (Manganese) 0.4 to 1 % Mo (Molybdenum) 0.9 to 1.4 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.1 to 0.5 % V (Vanadium) 0.15 to 0.5 % 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 248 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group Cold-work tool steel Alloy Sub-Group Air-hardening medium-alloy cold-work steel Country USA Standards Body ASTM (USA) Description Wrought cold-work alloy tool steel products; ann condition. Alternate Name A2 Designation T30102 Specification Type Standard Specification ASTM A681-94 Specification Year 1999 Specification Status Active Specification Status Notes active 1999 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 American Society for Testing and Materials (ASTM)
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Chemical Composition