Tormanc Major is an oil-hardening manganese-molybdenum alloy steel recommended for automobile and general engineering machinery parts such as crankshafts, axles, connecting rods, gears, bolts, and other high tensile component parts. 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-151. Producer or source: Samuel Fox & Company Ltd, Stocksbridge Works.