Chemical Composition Base Element Fe (Iron) B (Boron) 0.003 % (maximum) C (Carbon) 0.28 to 0.34 % Ca (Calcium) 0.06 % (maximum) Co (Cobalt) 4 to 5 % Cr (Chromium) 0.9 to 1.1 % Fe (Iron) 83.3 to 86.8 % (estimate) Mn (Manganese) 0.1 to 0.35 % Mo (Molybdenum) 0.9 to 1.1 % Ni (Nickel) 7 to 8.5 % P (Phosphorus) 0.01 % (maximum) S (Sulfur) 0.01 % (maximum) Si (Silicon) 0.1 % (maximum) V (Vanadium) 0.06 to 0.12 % Zr (Zirconium) 0.02 % (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 Yield Strength 2.88e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 3.03e7 lbf/ft^2 (minimum) Elongation 10 % strain (minimum) Brinell Hardness 341 (maximum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Miscellaneous or unclassified Alloy Sub-Group Miscellaneous high-alloy steel Country USA Standards Body ASTM (USA) Description Forged bainitic shapes for highly stressed structural members; YS>965, ann hardness Designation 82 Specification Type Standard Specification ASTM A579 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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

Base Element

Fe (Iron)