INVARO is an oil-hardening, nondeforming tool and die steel having excellent toughness and wear resistance. It has a good combination of abrasion resistance, hardness and shock resistance. It is recommended for general forming and shearing applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-163. Producer or source: Firth Sterling Inc..