TOPHET H is a heating-element alloy specifically designed for use in duct heaters and clothes dryers where hot strength and long life are of most importance. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ni-162. Producer or source: Wilbur B. Driver Company.