Chemical Composition Base Element Fe (Iron) C (Carbon) 0.26 to 0.36 % Cr (Chromium) 3 to 3.75 % Fe (Iron) 84.3 to 87.6 % (estimate) Mn (Manganese) 0.15 to 0.4 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.15 to 0.5 % V (Vanadium) 0.3 to 0.6 % W (Tungsten) 8.5 to 10 % 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 207 to 235 Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group Hot-work tool steel Alloy Sub-Group Tungsten hot-work steel Country Argentina Standards Body IAS (Argentina) Description Annealed Designation IRAM H21 Specification Type Standard Specification IAS 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 Instituto Argentino de Normalizacion (IRAM) (IAS/IRAM)
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Chemical Composition