FIELD: metallurgy.
SUBSTANCE: method includes the step of thermal treatment of sheet (1) when it is moved by dipping it in at least one bath (5, 16) with molten oxides, wherein a bath (5, 16) with molten oxides has a viscosity of less than 3⋅10-1 Pa⋅, the bath (5, 16) surface is in contact with a non-oxidizing atmosphere, molten oxides are inert with respect to iron, difference between the temperature of a ferroalloy sheet (1) at an entrance into the bath (5, 16) and the bath (5, 16) temperature It is between 25°C and 900°C, and remainder oxides remaining on the ferroalloy sheet (1) surfaces at an output of the bath (4, 16) are removed. Invention also proposes adevice to implement this method.
EFFECT: homogeneous temperature along whole surface of steel sheet.
20 cl, 2 dwg, 2 ex
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