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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.
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 ...
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.
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 ...
The modern steel industry is one of the largest manufacturing industries in the world, but also one of the most energy and greenhouse gas emission intense industries, contributing 8% of global emissions. [2] However, steel is also very reusable: it is one of the world's most-recycled materials, with a recycling rate of over 60% globally. [3]
National Steel Corporation furnaces and stockpiles, Detroit, Michigan, 1942. The National Steel Corporation (1929–2003) was a major American steel producer. It was founded in 1929 through a merger arranged by Weirton Steel with some properties of the Great Lakes Steel Corporation and M.A. Hanna Company with headquarters in Pittsburgh.
C99, a C compiler for the TI-99/4A home computer C99, a fragment of the amyloid precursor protein created by beta-secretase C99Shell, also known as C99, is a malicious web shell
The Continental Steel Corporation was United States steel producer from 1927 until 1986. The company was created on June 21, 1927, through the merger of the Kokomo Steel and Wire Company (founded in Kokomo, Indiana , in 1901) with the Superior Sheet Steel Company of Canton, Ohio , and the Chapman Price Steel Company of Indianapolis .