Basic oxygen steelmaking
Videos
Basic oxygen steelmaking, also known as Linz-Donawitz steelmaking or the oxygen converter process, is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel. Blowing o
Oxygen converter being charged at ThyssenKrupp steel mill in Duisburg (Germany)
Cross-section of a basic oxygen furnace
The outside of a basic oxygen steelmaking plant at the Scunthorpe steel works (England)
Fotothek df n 08 0000320
Open-hearth furnace
Videos
An open-hearth furnace or open hearth furnace is any of several kinds of industrial furnace in which excess carbon and other impurities are burnt out of pig iron to produce steel. Because steel is dif
Basic oxygen steelmaking
…output. Modern furnaces will take a charge of iron of up to 400 tons and convert it into steel in less than 40 minutes, compared to 10–12 hours in an open hearth furnace. The basic oxygen process developed outside of the traditional "big steel" environment. It was developed and refined by a single man, Swiss engineer…
Open hearth furnace workers at the Zaporizhstal steel mill in Ukraine taking a steel sample, c. 2012
Tapping open-hearth furnace, VEB Rohrkombinat Riesa, East Germany, 1982
Tapping open hearth furnace, Fagersta steelmill, Sweden, 1967.
Siemens furnace from 1895.