Chemical Composition Base Element Fe (Iron) C (Carbon) 0.45 to 0.55 % Cr (Chromium) 7.5 to 9.5 % Fe (Iron) 86.7 to 91.1 % (estimate) Mn (Manganese) 0.6 % (maximum) Ni (Nickel) 0.6 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 to 2 % 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 300 (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 International Standards Body ISO (International) Description Wrought, high-alloy steel for intake and exhaust valves; soft ann. Designation X50CrSi8-2 Specification Type Standard Specification ISO 683-15 Specification Year 1992 Specification Status Active Specification Status Notes active 1992 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 International Organization for Standardization (ISO)
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Chemical Composition