Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.2 to 0.5 % C (Carbon) 0.03 to 0.08 % Co (Cobalt) 0.5 % (maximum) Cr (Chromium) 19 to 22 % Cu (Copper) 0.5 % (maximum) Fe (Iron) 41.1 to 50.6 % (estimate) Mn (Manganese) 1.5 % (maximum) N (Nitrogen) 0.03 % (maximum) Nb (Niobium) 0.1 % (maximum) Ni (Nickel) 30 to 32.5 % P (Phosphorus) 0.015 % (maximum) S (Sulfur) 0.01 % (maximum) Si (Silicon) 0.7 % (maximum) Ti (Titanium) 0.2 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 Yield Strength 3.55e6 lbf/ft^2 Ultimate Tensile Strength 1.04e7 to 1.57e7 lbf/ft^2 Elongation 35 % strain Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Nickel steel and nickel low-alloy steel Alloy Sub-Group Nickel-base alloy Country Germany Standards Body DIN (Germany) Description Seamless tube, solution heat-treated Designation X5NiCrAlTi31-20 Specification Type Standard Specification DIN 17459 Specification Year 1992 Specification Status Obsolete Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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 Deutsches Institut fur Normung e.V. (DIN) (German Standardization Institute)
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Chemical Composition

Base Element

Fe (Iron)