Virgo 15.5PH is a 15Cr-5Ni-3Cu-0.3Nb alloy that is precipitation hardening. It is martensitic and combines high mechanical properties with medium corrosion resistance. This datasheet provides information on composition, physical properties, microstructure, 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-929. Producer or source: Industeel USA, LLC.