The furnace is used for heat treatment of steel products such as tempering, hardening, normalising, annealing, soft annealing, stress relieving. The bottom, which is mounted on the floor, is built up by insulating- and fire resistant-brick or monolith plates.
The top hat is insulated with special insulation materials and needs to be lifted with crane when loading and unloading. On the bottom, guiding profiles is mounted, to force the top hat to be placed correctly on the bottom. The elements are either assembled on the sidewalls or in the bottom.
The furnace can be designed according to customers requirements.