- A malleable, silvery metal with excellent resistance to corrosion. Used in the production of alloys, electroplating, catalysts, welding rods and coinage and can be found in electronic equipment, construction materials, aerospace equipment and consumer goods such as alkaline batteries, paints and ceramics.  Hazard: Ingestion of nickel may cause nausea, vomiting and diarrhea. Hypersensitivity to nickel is common and can cause allergic contact dermatitis, pulmonary  asthma, and conjunctivitis.