Patent ID: 8162032
Filing Date: 2012-04-24
Classification: B21B,Y10T

Abstract:
1. A process for manufacturing steel plate having a thickness <100 mm and a width up to 4000 mm, from a slab obtained by a continuous casting step, the method comprising reducing a liquid core of the slab to a slab thickness ≧55 mm at the outlet, wherein the slab has an average temperature ≧1250° C., finishing rolling with high reduction ratios, through one or more stands without interruption up to the end of finishing rolling to form a plate, cooling the plate, and cutting the plate at a desired length, wherein a ratio between a thickness of a slab leaving the continuous casting step before reducing the liquid core and a final thickness of the steel plate after finishing rolling is between 1:1.5 and 1:2.5.