Chemical Composition Base Element Fe (Iron) C (Carbon) 0.018 % Cr (Chromium) 28 to 30 % Cu (Copper) 0.06 % (maximum) Fe (Iron) 62.7 to 66.5 % (estimate) Mn (Manganese) 0.3 % (maximum) Mo (Molybdenum) 3.5 to 4.2 % N (Nitrogen) 0.02 % (maximum) Ni (Nickel) 2 to 2.5 % P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.2 % (maximum) Balance Fe (Iron) Other elements 0.018 C+N 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 517 MPa Ultimate Tensile Strength 655 MPa Elongation 25 % strain Rockwell Hardness B scale 92 Other Information Material Class Ferrous Alloy Country USA Description Sheet, plate, annealed: 95 ksi TS; 75 ksi YS; 25 El; 92 HRB. For chemical and food processing, power and oil refining. Designation AL 29-4-2 Specification Type Manufacturer's Specification Specification Status Active Similar UNS Number S44800 Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Plate, Sheet Similar Alloys Click here to find similar alloys Links Organizations Allegheny Ludlum Steel
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Chemical Composition