Altemp 263 alloy is a nickel-base alloy with a strong contribution from cobalt. This age-hardened alloy has superior strength with oxidation resistance to 1095 deg C (2000 deg F) and is used on all forms of turbines. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on forming, heat treating, and joining. Filing Code: Ni-671. Producer or source: Allegheny Ludlum and Allvac.