Chemical Composition Base Element Fe (Iron) C (Carbon) 0.07 % Cr (Chromium) 18 % Fe (Iron) 81.4 % (estimate) Ni (Nickel) 0.5 % 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 42.1 ksi Ultimate Tensile Strength 66 ksi Rockwell Hardness B scale 73 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 Miscellaneous ferritic steel Country USA Standards Body SAE (USA) Description Ferritic stainless for exhaust manifold use. Designation 439 Specification Type Standard Specification SAE J2515 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 Wrought Similar Alloys Click here to find similar alloys Links Organizations SAE, International (SAE) (SAE J)
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Chemical Composition