Material Transfer Trolley - Simple System/ Ideal Price/ Perfect industrial Transfer Cart. Metallurgy industry: With the functions of steady traveling, stepless speed regulation, the cart is commonly applied to transfer steel ladle, aluminum ladle, lead ladle, steel slag etc. Generally the outer surface temperature of the ladle is 200-300 degree , due to the high temperature, the cart should be designed with heat exposure proof device, especially to the battery, motor, reducer and.