Premium Photo Closeup of nickel ore samples highlighting shiny Nickel Alloys: The Blend of Strength and Corrosion Resistance Macro shoot of piece of nickel metal ore isolated on a white background Nickel Alloy: Definition, Composition, Types, Properties, and Nickel Metal, Symbol, Properties, Production, Facts, Uses Nickel Hanging Bell Domed. Substantial Cast aluminum bells feature a pair of metal spheres as clappers, and strung on a wire cord. A dome shaped bell of sand cast aluminum, paired with a triangular, polished oak sail oiled for weatherproofing. Choose from the nickel or antique brass finishes.