Boehler K390 Microclean is a cold work tool steel with an extremely good wear resistance combined with good toughness and a high compressive strength. This alloy is of powder metallurgical origins and is very homogeneous. This datasheet provides information on composition, physical properties, microstructure, and hardness 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-607. Producer or source: Böhler Edelstahl GMBH, Böhler-Uddeholm N. America.