1. Nickel, Nickel Wire, Copper Nickel 2. Nickel 200, 201, 400, 600, 690, 617, 718, ... , 800, 800H, 20, 22, C-276 Brief Introduction A nickel-copper alloy with high strength and excellent corrosion resistance in a ... range of media including sea water, hydrofluoric acid, sulfuric acid, and alkalies. Used for marine ...