Patent ID: 8025092

Claim:
A process for the manufacturing of steel strips, comprising: continuously casting thin slabs having thickness of between 45 and 110 mm and a high mass flow, which is defined as an amount of steel passing in a time unit at an outlet of the continuous casting, wherein liquid core reduction is performed during continuous casting of the slabs; shearing the slabs directly following the continuous casting where the liquid core reduction has been performed and prior to any rolling; heating the slabs; rolling the slabs through a finishing rolling mill, which has multiple stands for rolling, wherein the heating is obtained, at least partially, by induction heating with a working frequency sufficiently low to bring the heating to a core of the slabs and to substantially maintain a same temperature difference between an inside and an outside of the slabs up to entry of the slabs into the finishing rolling mill, and whereby an average temperature in any transverse cross-section of the slabs is higher than a surface temperature of the slabs, the temperature being equal to or higher than about 1100° C., and at the core of the slabs, the temperature being at least 100° C. higher than the surface temperature.