UDIMAR B-250 is a fabricable and weldable ultra-high strength maraging steel combining the mechanical properties derived from precipitation hardening and martensitic transformation. It exhibits very high ultimate and yield strengths combined with excellent ductility and notched/unnotched ratio. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on low temperature performance and corrosion resistance as well as forming, heat treating, joining, and surface treatment. Filing Code: SA-206. Producer or source: Special Metals.