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Heat treatment furnace facilities for the aluminum industry

HICON® soaking pit furnaces for ingots

The soaking pit furnace provides an alternative to pusher-type furnaces for reheating or homogenizing smaller batches of different aluminum alloys.

Individual soaking pit units can be charged with ingots of differing alloys, and be brought to different hot rolling and/or homogenizing temperatures. Each unit generally has a load capacity between 30 t and 300 t. Charging and decharging the ingots takes place with the help of a traveling ingot grab installed over the furnace, which grabs the ingots only along their narrow sides. A cover handler makes it possible to rapidly raise and lower the stable, well-insulated furnace covers.

The latest version of the HICON® soaking pit furnace enables very long ingots to be placed horizontally in specific positions in the soaking pit so that the furnace wind moves across the surfaces of the ingots uniformly at a high velocity (similar to that of the HICON® pusher-type furnaces). The associated ingot handling system makes possible the damage-free transport of ingots through the facility.

The facility can be implemented to comply with the standards required by the automotive and aerospace industry. These standards are primarily AMS 2750E (SAE Aerospace) in the aircraft industry and CQI-9 (AIAG) for the automotive industry.  

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