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Steel is an alloy composed of between 0.2 and 2.0 percent carbon, with the balance being iron. From prehistory through the creation of the blast furnace, iron was produced from iron ore as wrought iron, 99.82–100 percent Fe, and the process of making steel involved adding carbon to iron, usually in a serendipitous manner, in the forge, or via the cementation process.
Attention! Black Metal (2012) Helvete: Historien om norsk black metal (2020). The history of Norwegian black metal from the early eighties through musical innovation, image building, murder, suicide and church burnings, and international recognition. With more focus on the history of the music and people involved, rather than just the scandals ...
Steel production (in million tons) by country as of 2023. The steel industry is often considered an indicator of economic progress, because of the critical role played by steel in infrastructural and overall economic development. [65] In 1980, there were more than 500,000 U.S. steelworkers. By 2000, the number of steelworkers had fallen to ...
Steel production (in million tons) by country in 2023. The steel industry is often considered an indicator of economic progress, because of the critical role played by steel in infrastructural and overall economic development. [97] In 1980, there were more than 500,000 U.S. steelworkers. By 2000, the number of steelworkers had fallen to 224,000 ...
Iron metallurgy in Africa concerns the origin and development of ferrous metallurgy on the African continent.Whereas the development of iron metallurgy in North Africa and the Horn closely mirrors that of the Ancient Near East and Mediterranean region, the three-age system is ill-suited to Sub-Saharan Africa, where copper metallurgy generally does not precede iron working. [1]
Steel is made from iron and carbon. Cast iron is a hard, brittle material that is difficult to work, whereas steel is malleable, relatively easily formed and versatile. On its own, iron is not strong, but a low concentration of carbon – less than 1 percent, depending on the kind of steel – gives steel strength and other important properties.
The American Steel Industry, 1850–1970: A Geographical Interpretation (1973) (ISBN 0198232144) Whaples, Robert. "Andrew Carnegie", EH.Net Encyclopedia of Economic and Business History online; U.S. Steel's History of U.S. Steel; Urofsky, Melvin I. Big Steel and the Wilson Administration: A Study in Business-Government Relations (1969) Spiegel ...
The Ordnance Factory Board established Metal & Steel Factory (MSF) at Calcutta, in 1872 [71] [72] The Tata Iron and Steel Company (TISCO) was established by Dorabji Tata in 1907, as part of his father's conglomerate. By 1939 Tata operated the largest steel plant in the British Empire, and accounted for a significant proportion of the 2 million ...