REPUBLIC RS-140X is a titanium alloy containing iron, chromium and aluminum as its principal alloying additions. It is primarily a bar and forging alloy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: Ti-7. Producer or source: Republic Steel Corporation, Titanium Division.