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Heat treatment furnace facilities for the copper base metals industry

HICON/H2® - muffle-type furnace facility for coinage blanks

The HICON/H2® muffle-type furnace is designed especially for annealing blanks and strips to manufacture precious metal coins. The heat treatment of the coinage material is final process step before minting. The objective of the anneal is to provide a soft material with uniform mechanical properties and a completely bright, oxide-free surface so that the finished coins leave the mint with a shiny surface finish.

Anneals in the HICON/H2® muffle-type furnace can be carried out in 25% - 100% hydrogen (with a dewpoint as low as -60 °C) so that even materials that are difficult to bright anneal (like CuZnNi alloys) can be heat treated in this kind of facility.

The facility features the following highlights:

  • short annealing times
  • minimal temperature scatter
  • easy to operate
  • low maintenance costsl
  • ow energy consumption
  • high degree of operating safety
  • low investment costs




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