ISO-CAST 8 is a cast chromium-molybdenum steel recommended as a general purpose structural alloy of wide application with wide range of mechanical properties. It is used for aircraft and railroad car parts, machine tool and hammermill equipment, gears and shafts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on casting, heat treating, machining, and joining. Filing Code: SA-232. Producer or source: Empire Steel Castings Inc..