YZ model foundry crane The Foundry crane is the main equipment for steel smelting production,Website:://.xqcranes.com, ladle cranes are used to move steel or iron ladles in steel smelting workshop with high temperature and a lot of dust. The overall structure of foundry crane has the following forms: 1. two-girder and two-rail 2.four-girder and four-rail 3. four-girder and six-rail, etc.