The Cast Iron Pulley is made from the cast iron is known as the cast iron pulley. The iron pulley is a hauling product used in different industrial region. The pulleys are generally made of cast iron, because of their low cost. The rim is held in place by web from the central boss or by arms or spokes. When a cast pulley contracts in the mould, the arms are in a state of stress and very liable to break. The curved arms tend to yield rather than to break. The arms are near the hub. The cast iron pulley is generally made with rounded rims.