UNS No. G86500 is a triple-alloy steel designed for highly efficient utilization of the alloying elements to increase hardenability and strength. It is an oil-hardening type and is suitable for many machine and tool components. Specific applications include gears, shafts, bolts, wrenches, studs and tool forgings. 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: SA-407. Producer or source: Alloy steel mills and foundries.