SAE 4626 is a carburizing alloy steel suitable for producing case-hardened parts, such as gears, pinions and camshafts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-253. Producer or source: Alloy steel mills and foundries.