UNS No. G 10600 is a high-carbon steel of low hardenability. It may be used in the as-rolled, annealed, normalized or quenched and-tempered condition, depending on the desired properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: CS-129. Producer or source: Carbon steel mills.