XAR 450W is a wear-resistant structural steel. It is delivered as heavy plate 4–40 mm (0.158 to 1.575 in.) in the quenched or quenched-and-tempered condition with a room temperature hardness of 360–430 HBW. This datasheet provides information on composition and hardness. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-711. Producer or source: ThyssenKrupp Steel Europe AG.