Chemical Composition Base Element Fe (Iron) C (Carbon) 0.1 % (maximum) Cr (Chromium) 16.5 to 17.5 % Fe (Iron) 74.9 to 77 % (estimate) Mo (Molybdenum) 2.5 to 3 % Ni (Nickel) 4 to 4.5 % Balance Fe (Iron) 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 979 MPa Ultimate Tensile Strength 1110 to 1380 MPa Elongation 8 to 22 % strain Brinell Hardness 200 to 390 Other Information Material Class Ferrous Alloy Country USA Description Heat treated: 161,000-200,000 TS; 45,000-142,000 YS; 22-8 El; 200-390 HB; For valves, springs, knife blades; for applications up to 1000 F. Designation AL TECH AM Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations AL Tech Specialty Steel Corp.
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Chemical Composition