Chemical Composition Base Element Fe (Iron) C (Carbon) 0.2 to 0.26 % Cr (Chromium) 11.3 to 12.2 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 83.2 to 87 % (estimate) Mn (Manganese) 0.5 to 0.8 % Mo (Molybdenum) 1 to 1.2 % Ni (Nickel) 1 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.4 % (maximum) V (Vanadium) 0.08 % (maximum) W (Tungsten) 0.5 % (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 78.3 ksi (minimum) Ultimate Tensile Strength 107 to 128 ksi Elongation 15 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Martensitic stainless steel Alloy Sub-Group CA-15/ CA-40 grades Country International Standards Body ISO (International) Description Castings for parts subject to pressure; QT Designation GX23CrMoV12-1 Specification Type Standard Specification ISO 4991 Specification Year 2005 Specification Status Active Specification Status Notes active 2005 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations International Organization for Standardization (ISO)
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Chemical Composition

Base Element

Fe (Iron)