Chemical Composition Base Element Fe (Iron) C (Carbon) 0.15 to 0.3 % Cr (Chromium) 17 to 20 % Fe (Iron) 65.1 to 74.9 % (estimate) Mn (Manganese) 1.5 % (maximum) Mo (Molybdenum) 0.5 % (maximum) Ni (Nickel) 8 to 11 % P (Phosphorus) 0.05 % (maximum) S (Sulfur) 0.05 % (maximum) Si (Silicon) 1.5 % (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. Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Austenitic stainless steel Alloy Sub-Group CF/ CG grades Country USA Standards Body MIL (USA) Description Heat resistant; as cast Designation I Specification Type Standard Specification MIL-S-17509 Specification Year 1989 Specification Status Obsolete Specification Status Notes Cancelled (S/S By MIL-C-24707/3 And ASTM A744) 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 Department of Defense (MIL/DoD-F/FED QQ)
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Chemical Composition