METHOD OF ANNEALING OF THE COLD-ROLLED BANDS Russian patent published in 2004 - IPC

FIELD: metallurgy; annealing of cold-rolled bands.

SUBSTANCE: the invention is dealt with metallurgy and may be

used at a recrystallization annealing of the cold-rolled bands made out of

carbon steels. At annealing of the cold-rolled bands in rolls, they are stockpiled in the bell-shaped furnace forming a stack by placing the rolls one over another in a vertical position with separation of adjacent rolls by convector rings. The lowmost roll in the stockpile should be the roll, the thickness of band of which in 1.1-4.5 times exceeds the thickness of the bands of other rolls in the sockpile. The invention allows to increase uniformity of the bands properties, to reduce amount of defects and welding of the coils in the bottom parts of rolls.

EFFECT: the invention allows to increase uniformity of the bands properties, to reduce amount of defects and welding of the coils in the bottom parts of rolls.

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