THYRAPID PM4 ESH is manufactured by the rapid solidification of powder and augmented by Electro Slag Heating. Good wear resistance and toughness lead to cold work punch and die applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and bend strength. It also includes information on heat treating, machining, and surface treatment. Filing Code: TS-539. Producer or source: Thyssen Specialty Steels Inc.