Gantry Crane and Overhead Crane Using Steel Wheel Forged wheels are a classification of forgings, mainly used in door-type cranes - bridge cranes - mining machinery. Forged wheels are a classification of forgings, mainly used in door-type cranes - bridge cranes - mining machinery. Also known as: wheel, wheel, wheel forgings! Light rail car also has application! Common wheel forging material: 60 #, 65Mn, 42CrMoo