Nimax is a low-carbon plastic mold steel delivered at a hardness of ~40 HRC. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fracture toughness. It also includes information on surface qualities as well as forming, heat treating, machining, and joining. Filing Code: TS-689. Producer or source: Böhler-Uddeholm North America.