Industrial iron slag, also known as iron slag or iron furnace slag, refers to a byproduct that is generated during the production of iron and steel in industrial processes. It is a non-metallic material consisting primarily of calcium, silicon, aluminum, and iron oxides.
Iron slag is formed when iron ore or scrap metal is melted at high temperatures in blast furnaces or smelters to extract iron. During this process, impurities in the iron ore, such as limestone, silica, and other minerals, combine with the molten iron and float to the top. They are then solidified and removed, resulting in iron slag.