UNS H-86170 is a low-carbon nickel-chromium-molybdenum carburizing steel of good hardenability. Its core is characterized by good strength and toughness. It is recommended for heavy-duty applications such as cams, chains, fasteners, gears, shafts and piston pins. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-435. Producer or source: Alloy steel mills and foundries.