ALTEMP 625 is an austenitic nickel-base superalloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions. The alloy is frequently used in aerospace applications as well as in the chemical process industry. 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, and joining. Filing Code: Ni-443. Producer or source: Allegheny Ludlum Corporation.