ARMCO 15-5 PH VAC CE is a vacuum-arc, consumable-electrode remelted stainless steel that is precipitation hardenable to the stringent requirements demanded by the aerospace and nuclear industries. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-204. Producer or source: Armco Advanced Materials Corporation. Originally published as ARMCO 15-5 PH, January 1968, revised November 1989.