Title:
METHOD FOR ANNEALING COLD ROLLED STEEL SHEET COIL, AND BOX ANNEALING FURNACE THEREFOR
Document Type and Number:
Japanese Patent JP2005226144
Kind Code:
A
Abstract:
To provide an annealing method capable of horizontally holding a cold-rolled steel sheet coil by a simple means and preventing the steel sheet from buckling at its side end portion when performing an annealing in a box annealing furnace, and to provide the box annealing furnace to be used for the method.
A coil receiving stand is supported by two or more supporting members installed in the box annealing furnace. A cold-rolled steel sheet coil is placed on the coil receiving stand, the height of the supporting members is individually adjusted, and the cold-rolled steel sheet coil is annealed with the level of the coil receiving stand is set to be ≤ 5/1,000.
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Inventors:
KOGA YASUNARI
Application Number:
JP2004037743A
Publication Date:
August 25, 2005
Filing Date:
February 16, 2004
Export Citation:
Assignee:
JFE STEEL KK
International Classes:
C21D9/54; F27B17/00; (IPC1-7): C21D9/54; F27B17/00
Attorney, Agent or Firm:
Eiichi Kobayashi