| 摘要 |
According to an embodiment of the present invention, a method for manufacturing a hot-rolled steel plate includes a step for casting steel comprising 0.04-0.07 wt% of C, 0.01-0.8 wt% of Si, 1.1-1.7 wt% of Mn, 0.01-0.05 wt% of Al, 0.09-0.13 wt% of Ti, 0.09-0.13 wt% of Mo, 0.005-0.015 wt% of P, less than or equal to 0.005 wt% of S (excluding 0%), less than or equal to 0.005 wt% of N (excluding 0%), and the rest consisting of Fe and other unavoidable impurities, into a thin slab, and a step for performing an auxiliary rolling, heating, finishing rolling, and winding the thin slab. |
