Chemical Composition Base Element Fe (Iron) C (Carbon) 0.03 % (maximum) Cr (Chromium) 10.5 to 11.8 % Fe (Iron) 85 to 89.3 % (estimate) Mn (Manganese) 1 % (maximum) N (Nitrogen) 0.03 % (maximum) Nb (Niobium) 0.18 to 0.4 % Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (maximum) Ti (Titanium) 0.05 to 0.2 % 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. Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Ferritic stainless steel Alloy Sub-Group 409 Country USA Standards Body SAE (USA) Description Wrought stainless; UNS 4000 series hardenable and nonhardenable Designation S40945 Specification Type Standard Specification SAE J405 Specification Year 1998 Specification Status Active Specification Status Notes active 1998 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 SAE, International (SAE) (SAE J)
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Chemical Composition