Metal Bulletin
2021-11-15u2002·u2002A furnace for refining steel, copper etc. by blowing air through the molten metal. Convertor Generic term for companies converting steel alloying ores into intermediates such as ferro-alloys, molybdenum oxide or ammonium paratungstate (APT). In steelmaking, the vessel in which iron from the blast furnace is refined by oxygen treatment. Co-product
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