NICKEL SILVER, 65-18 is a deep drawing grade of nickel silver. It has high resistance to corrosion and tarnish. It is used primarily for drawn, spun and similar cold-worked parts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-49. Producer or source: Copper alloy mills.