Walking Hearth furnaces allow the transportation and reheating of different sizes of material. Unfortunately, the back-face of the stock cannot be heated so that the stock residence time may be long. Consequently, the corrosion by scaling becomes important as well as abrasion. The temperature is generally around 1250°C. Calderys has a full range of solutions: cast-in situ, plastic to cast/gun/ram, Quick Drying and Sol-Gel, Spraycast or Precast.