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  • Steel | Composition, Properties, Types, Grades, Facts | Britannica
    Steel, alloy of iron and carbon in which the carbon content ranges up to 2 percent (with a higher carbon content, the material is defined as cast iron) By far the most widely used material for building the world’s infrastructure and industries, it is used to fabricate everything from sewing needles to oil tankers
  • steel summary | Britannica
    steel, Alloy of iron and about 2% or less carbon Pure iron is soft, but carbon greatly hardens it Several iron-carbon constituents with different compositions or crystal structures exist: austenite, ferrite, pearlite, cementite, and martensite can coexist in complex mixtures and combinations, depending on temperature and carbon content
  • Steel - Production, Uses, Types | Britannica
    Steel - Production, Uses, Types: The steel industry has grown from ancient times, when a few men may have operated, periodically, a small furnace producing 10 kilograms, to the modern integrated iron- and steelworks, with annual steel production of about 1 million tons
  • Stainless steel | Definition, Composition, Types, Facts | Britannica
    stainless steel, any one of a family of alloy steels usually containing 10 to 30 percent chromium In conjunction with low carbon content, chromium imparts remarkable resistance to corrosion and heat
  • United States Steel Corporation | History Facts | Britannica Money
    United States Steel Corporation, leading U S producer of steel and related products, founded in 1901 At the beginning of the 20th century, among the businessmen involved in the formation of United States Steel Corporation were Andrew Carnegie, Elbert H Gary, Charles M Schwab, and J P Morgan
  • Steel - Bessemer Process, Alloy, Strength | Britannica
    Steel - Bessemer Process, Alloy, Strength: Bulk steel production was made possible by Henry Bessemer in 1855, when he obtained British patents for a pneumatic steelmaking process (A similar process is said to have been used in the United States by William Kelly in 1851, but it was not patented until 1857 )
  • Steel - Smelting, Alloying, Refining | Britannica
    Steel - Smelting, Alloying, Refining: In principle, steelmaking is a melting, purifying, and alloying process carried out at approximately 1,600° C (2,900° F) in molten conditions Various chemical reactions are initiated, either in sequence or simultaneously, in order to arrive at specified chemical compositions and temperatures
  • Danielle Steel | Biography, Books, Movies, Invisible, Facts - Britannica
    Danielle Steel is an American writer best known for her numerous best-selling romance novels Her works, which often center on strong yet glamorous women overcoming major obstacles or ordeals, are often adapted into television movies
  • Metal | Definition, Characteristics, Types, Facts | Britannica
    Metal, any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light Approximately three-quarters of all known chemical elements are metals Learn more about metals in this article
  • Kōbe Steel, Ltd. | Japanese Steelmaker, Industrial Conglomerate . . .
    Kōbe Steel, Ltd ,, major Japanese manufacturer of iron and steel, nonferrous metal products, and machinery Headquarters are in Kōbe with offices in Tokyo and Ōsaka Founded in 1905, the company by the late 1960s was one of Japan’s largest steel producers





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