Peerless 56 was designed as an improved low-alloy hot-work steel possessing a combination of high tensile strength and hardness with roughness. It is recommended for extrusion dies, hot billet shears and hot work punches. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-149. Producer or source: Crucible Steel Company of America.