Chemical Composition Base Element Fe (Iron) C (Carbon) 0.35 to 0.6 % Co (Cobalt) 18 to 22 % Cr (Chromium) 19 to 22 % Mn (Manganese) 2 % (maximum) Mo (Molybdenum) 2.5 to 3 % Ni (Nickel) 18 to 22 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (maximum) W (Tungsten) 2 to 3 % Mechanical Properties Yield Strength 320 10^7 dyne/cm^2 (minimum) Ultimate Tensile Strength 400 10^7 dyne/cm^2 (minimum) Elongation 6 % strain (minimum) 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 casting Country International Standards Body ISO (International) Description Cast steel for heat-resistant service. Designation GX40NiCrCo20-20-20 Specification Type Standard Specification ISO 11973 Specification Year 1999 Specification Status Active Specification Status Notes active 1999 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