Performance of bell annealing furnace for wires and rods using low hydrogen low dew point atmosphere

Performance of bell annealing furnace for wires and rods using low hydrogen low dew point atmosphere

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This paper describes test results obtained for low carbon steel (AISE 1022) wire rod coils annealed in a bell annealing furnace. During these tests it was possible to obtain 100 percent spheroidization with zero decarburization while eliminating surface contaminants of the rod. The tests were conducted on a bell annealing system composed of a new, all metal base, a high convection fan, a new plenum design, a new, unique design of the inner cover seal, and using the industry standard Lee Wilson radiant tube furnace.

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Description

This paper describes test results obtained for low carbon steel (AISE 1022) wire rod coils annealed in a bell annealing furnace. During these tests it was possible to obtain 100 percent spheroidization with zero decarburization while eliminating surface contaminants of the rod. The tests were conducted on a bell annealing system composed of a new, all metal base, a high convection fan, a new plenum design, a new, unique design of the inner cover seal, and using the industry standard Lee Wilson radiant tube furnace.

Additional information

Author(s)

Arvind C. Thekdi, Lee Wilson, Inc.; and Vijay M. Choksi, American Steel and Wire Corp., USA.
Publication/Event/Pages

Paper presented at WAI 65th Annual Convention, Atlanta, GA USA. Paper published in Wire Journal International, March 1996, pg. 52.
Year

1995

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