NUCALLOY ALLOYS 453 and 488 are nickel-base hardfacing alloys designed to replace the traditional cobalt alloys for nuclear plant applications. These alloys have been used in Japanese commercial nuclear power plant service. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on high temperature performance, corrosion and wear resistance as well as joining. Filing Code: Ni-528. Producer or source: Stoody Deloro Stellite Inc.