MST 5A1-2.5 Sn is a titanium alloy combining good weldability and high strength at elevated temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ti-21. Producer or source: Mallory-Sharon Metals Company.