Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.05 % (maximum) C (Carbon) 0.17 to 0.23 % Cr (Chromium) 11 to 12.5 % Fe (Iron) 83.2 to 86.5 % (estimate) Mn (Manganese) 0.4 to 0.7 % Mo (Molybdenum) 0.8 to 1.2 % Nb (Niobium) 0.05 % (maximum) Ni (Nickel) 0.3 to 0.8 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.01 % (maximum) Si (Silicon) 0.2 to 0.3 % V (Vanadium) 0.25 to 0.35 % W (Tungsten) 0.4 to 0.6 % 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 1.02e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.44e7 lbf/ft^2 (minimum) Elongation 10 % strain (minimum) Brinell Hardness 229 (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 Hot and cold-finished stainless bars, billets and forgings for core components in liquid metal cooled nuclear reactors; tempered. Designation S42100 Specification Type Standard Specification ASTM A831/A831M-95 Specification Year 2000 Specification Status Active Specification Status Notes active 2000 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)