INCONEL W is a high strength, high temperature nickel-base alloy responding to an age-hardening heat treatment for maximum properties. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-58. Producer or source: Huntington Alloy Products Division, An INCO Company.