Youngstown YS-T Steel comprises a family of hot-rolled, fully-killed, high-strength titanium steels with excellent formability and weldability. They are available in four yield-strength levels: 50,000, 60,000, 70,000 and 80,000 psi. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and bend strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-261. Producer or source: Youngstown Sheet and Tube Company.