Crucible Rex M2 is a general-purpose high-speed tool steel that contains tungsten, molybdenum, chromium, and vanadium as principal alloying elements. It is suitable for a wide variety of cutting tools that require moderate feeds and speeds. For cold work applications, Rex M2 offers higher hardness and wear resistance than Type D2 tool steel. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on low and high temperature performance as well as forming, heat treating, machining, and surface treatment. Filing Code: TS-801. Producer or source: Crucible Industries LLC.