TECHALLOY Alloy 625 is a nonmagnetic nickel-base alloy with excellent resistance to corrosion and oxidation. It has outstanding strength and toughness from cryogenic temperatures to 2000 F. It also has exceptionally high fatigue strength and is resistant to chloride-ion stress-corrosion cracking. It has a wide range of applications among which are aerospace components, specialized sea-water equipment and nuclear power equipment. 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, machining, and joining. Filing Code: Ni-253. Producer or source: Techalloy Company Inc..