Abstract
A heating regime is proposed for steel slabs in a heating furnace during slab loading in a hot condition with which the process of slab soaking is replaced by a thermostat process. In this case overall contact duration of a slab surface with a furnace oxidizing atmosphere is reduced, scale formation decreases, and good uniformity is provided for the slab temperature field before rolling. On the basis of calculating the slab temperature field in a furnace the efficiency is demonstrated of the proposed heating and thermostat treatment compared with a classical slab heating and soaking regime.
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