Chemical Composition Base Element Fe (Iron) C (Carbon) 0.04 % Cr (Chromium) 18.5 % Fe (Iron) 68.7 % (estimate) Mn (Manganese) 1 % Ni (Nickel) 11 % Si (Silicon) 0.4 % Ti (Titanium) 0.4 % 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 33.1 ksi Ultimate Tensile Strength 85 ksi Elongation 58 % strain Rockwell Hardness B scale 80 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 321/ 321H Country USA Standards Body SAE (USA) Description Special purpose alloys Designation 321 Specification Type Standard Specification SAE J467 Specification Year 1968 Specification Status Active Specification Status Notes active 1968 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