Uranus 45N+ (UR 45N+) is a modification of the 2205 or UNS S31803 composition to which molybdenum and nitrogen have been optimized to develop a pitting resistance equivalent nitrogen (PREN) number that is 36 or greater. This datasheet provides information on composition, physical properties, microstructure, elasticity, and shear strength. It also includes information on heat treating, machining, and joining. Filing Code: SS-802. Producer or source: Creusot-Loire Industrie.