MONEL alloy 404 is a wrought nickel-copper alloy with composition carefully adjusted to provide low magnetic permeability and good brazing characteristics. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-68. Producer or source: Huntington Alloy Products Division.