Chemical Composition Base Element Cu (Copper) Balance Cu (Copper) Other elements Cd Mechanical Properties Yield Strength 379 MPa Ultimate Tensile Strength 441 MPa Brinell Hardness 137 Other Information Material Class Nonferrous Alloy Country USA Description Cold drawn: 64,000 psi TS; 55,000 psi YS; 137 HB; For contact backing springs, reeds, relays; high electrical conductivity and strength. Designation WILCOLOY-E Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Links Organizations Engelhard Corp., Engineered Materials Div.
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Chemical Composition