ALTEMP 718 ALLOY is an austenitic nickel-base superalloy used in applications requiring high strength to approximately 1400 F (760 C) and oxidation resistance to approximately 1800 F (982 C). The alloy is age-hardenable. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: Ni-444. Producer or source: Allegheny Ludlum Corporation.