MONEL Alloy 402 is a nickel-copper alloy developed for use in the pickling of steel and copper alloys. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-110. Producer or source: Huntington Alloy Products Division, An INCO Company.