Chamber furnaces with stationary hearth are simple in design, versatile for a variety of processes (normalization, tempering, hardening, and others.), allow to provide the product heat treatment according to any individual mode. There is a large number of chamber furnaces with various designs and sizes, gas- or electrically heated.
Chamber furnaces with stationary hearth are of periodic operation. In such furnaces items loading, heat treatment, cooling and unloading is carried out in succession in furnace working space.
Chamber furnaces are widely used at the heat treatment sites of machine-building plants. They are used for heat treatment of medium-sized items and blanks, as well as for small items.