DuraTech Xtreme has very high impact toughness, high hot hardness, and good wear resistance. As indicated in the name, the alloy is intended for use in extreme” conditions. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on wear resistance as well as heat treating, machining, and powder metal forms. Filing Code: TS-663. Producer or source: Latrobe Specialty Steel Company.