Chemical Composition Base Element Fe (Iron) C (Carbon) 0.01 % Cr (Chromium) 14.5 % Fe (Iron) 82.3 % Mn (Manganese) 1 % N (Nitrogen) 0.011 % Ni (Nickel) 0.3 % P (Phosphorus) 0.025 % S (Sulfur) 0.003 % Si (Silicon) 1.3 % Ti (Titanium) 0.25 % Balance Fe (Iron) Others Each 0.35 % Other elements Columbium Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 310 to 379 MPa Ultimate Tensile Strength 469 to 538 MPa Elongation 28 to 37 % strain Rockwell Hardness B scale 78 to 85 Other Information Material Class Ferrous Alloy Country USA Designation AK STEEL 15 Cr-Cb ULTRA FORM® Specification Type Manufacturer's Specification Specification Status Active Source Alloy Digest, ASM International Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations AK Steel Corporation
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Chemical Composition