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Heat treatment furnace facilities for the steel industry

HICON/H2 bell annealer facility for steel strip

HICON/H2® bell annealer facilities - the technology that revolutionized the heat treatment of steel strip coils.

Today, HICON/H2® is internationally known as a synonym for excellence in quality, productivity and lowest production costs. But it is undoubtedly the exceptional quality of steel coils annealed in 100 % hydrogen which has made HICON/H2® technology so successful.

Through intensive collaboration with partners in the industry, EBNER is able to tailor each HICON/H2® bell annealer to each customer's needs. New solutions, new products and the optimization of existing processes are all supported.

Thanks to continual technological advances by EBNER's R&D, HICON/H2® bell annealers achieve shortest possible annealing and cooling times while simultaneously keeping operating costs low. Customers in more than 45 countries worldwide are profiting from this technology and its value-for-money as they boost efficiency.

The facility can be implemented to comply with the standards required by the automotive industry in accordance with CQI-9 (AIAG).


The types of steel that can be annealed in bell annealers range from low-carbon

deep-drawing grades (including IF) to high strength microalloy steels (including BH) to high alloy steels. But bright annealing cold-rolled high-alloy ferritic or martensitic Cr steels is only possible with HICON/H2® bell annealer furnace technology.

  • cold-rolled unalloyed grades such as DC01 (St12, CQ) to DC05 (St15, EDDQ), IF steels, etc.
  • cold-rolled low-alloyed carbon steels like C60 to C100
  • high-alloyed cold-rolled and hot-rolled ferritic and martensitic grades such as AISI 430, 410, 420, etc.)
  • low-alloyed silicon steel strip (max. 3 % Si)
  • tin plate T1-T4 (TS 230 – TS 415)

Charge dimensions:

coil diameter 1400 to 2700 mm

stacking height up to 7000 mm (including convector plates)

Bell annealer for steel strip

bell annealer facility
Bell annealer facility for steel strip
Hydrogen annealer
bell annealer facility
Bell annealer battery
Large bell annealer facility
Workbase with coil grab
Bell annealer facility with coil grab
Annealing in hydrogen
Bell annealer with high capacity cooling bell

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