Chemical Composition Base Element Fe (Iron) C (Carbon) 0.45 % (maximum) Cr (Chromium) 1.25 % (maximum) Fe (Iron) 94.1 to 99.3 % (estimate) Mn (Manganese) 0.55 to 0.9 % Mo (Molybdenum) 0.5 % (maximum) Ni (Nickel) 2.25 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.15 to 0.35 % V (Vanadium) 0.1 % (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 1.01e7 lbf/ft^2 Ultimate Tensile Strength 1.37e7 lbf/ft^2 Brinell Hardness 201 to 241 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 MIL (USA) Description Gear, pinion forging heat-treated; shipboard propulsion and turbine Designation Class 2 Specification Type Standard Specification MIL-S-19434B Specification Year 1990 Specification Status Active Specification Status Notes 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 Department of Defense (MIL/DoD-F/FED QQ)
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Chemical Composition

Base Element

Fe (Iron)