Republic RS-120 is a titanium alloy containing manganese as its principle alloying element. It shows pronounced hardening and strengthening by a low temperature heat treatment. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: Ti-1. Producer or source: Republic Steel Corporation, Titanium Division. Originally published June 1953, revised June 1959.