Chemical Composition Base Element Cu (Copper) Be (Beryllium) 2.25 to 3 % Cu (Copper) 95.5 to 96.7 % (estimate) Ni (Nickel) 1.1 to 1.5 % Balance Cu (Copper) Composition Note Cu 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 689 MPa Ultimate Tensile Strength 1100 MPa Elongation 2.5 % strain Brinell Hardness 393 Other Information Material Class Nonferrous Alloy Country USA Description Sand cast: 160,000 TS; 100,000 YS; 2.5 El; 2.5 RA; 393 HB; For welding dies, safety tools; age-hardenable. Designation AMCOLOY 86-20 Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations Ampco Pittsburgh Corp. (Wyckoff Steel Division)
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Chemical Composition