Glossary
Basic Oxygen Furnace
Steel
The basic oxygen furnace converts iron from the blast furnace into steel. When oxygen is blown over the molten iron in a BOF vessel, it combines with and removes carbon as carbon monoxide and carbon dioxide. Unwanted silicon, phosphorus and other elements are also driven off, while other impurities are combined with fluxes which are removed and then made into slag. The reactions in the BOF vessel creates heat, so ferrous scrap is added to cool it down.
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Very good overview of the weekly steel market.
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