Steelmaking
Videos
Steelmaking is the process of producing steel from iron ore and/or scrap. Steel has been made for millennia and was commercialized on a massive scale in the 1850s and 1860s, using the Bessemer and Sie
Steel mill with two arc furnaces
Bethlehem Steel in Bethlehem, Pennsylvania, was one of the world's largest manufacturers of steel before its 2003 closure.
Johan Albrecht de Mandelslo described the Japanese use of the Bessemer process.
Bessemer converter at Högbo Bruk, Sandviken.
Pig iron
Videos
Pig iron, also known as crude iron or raw iron, is an intermediate good used by the iron industry in the production of steel. It is developed by smelting iron ore in a blast furnace. Pig iron has a hi
Pig iron used to manufacture ductile iron
Casting pig iron at the Iroquois smelter in Chicago between 1890 and 1901
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