Industrial Magazine on Instagram: "The production of steel coils involves several key steps, starting with the extraction of iron ore, which is then processed in a blast furnace to produce molten iron. This molten iron is refined in a basic oxygen furnace or electric arc furnace to produce steel, which is then cast into slabs or billets. These semi-finished products are hot-rolled or cold-rolled in rolling mills to achieve the desired thickness and surface finish. The rolled steel is subsequentl