Hot Rolled Sheet; It is obtained by hot rolling the rectangular semi-product, which is called as the result of solidification of liquid steel by continuous casting method, in a hot rolling mill, and flat steels in the form of rolls or sheets with a thickness of 1.50-20.00 mm and 5.00- 200,00 mm. They are flat steels in the form of plates with a thickness in the range of 1.000-3.800 mm.