SUPERTHERM is a cast nickel-chromium-iron alloy stabilized with cobalt and tungsten. It is used worldwide in extremely high-temperature applications and has unexcelled performance to 2300 F (1260 C). Among its many uses are components for heat-treating furnaces, cement kilns, petrochemical furnace tubes and refining furnace tubes. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-228. Producer or source: Abex Corporation, Engineered Products Division. Originally published July 1969, revised November 1977.