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Wrought iron is a form of commercial iron containing less than 0.10% of carbon, less than 0.25% of impurities total of sulfur, phosphorus, silicon and manganese, and less than 2% slag by weight. [18] [19] Wrought iron is redshort or hot short if it contains sulfur in excess quantity. It has sufficient tenacity when cold, but cracks when bent or ...
Hearth (left) and trip hammer (centre) in a finery forge. In the back room (right) is a large pile of charcoal. A finery forge is a forge used to produce wrought iron from pig iron by decarburization in a process called "fining" which involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation. [1]
Christopher W. Werner (1805–1875) was a nineteenth-century wrought iron manufacturer, artisan, and entrepreneur based in Charleston, South Carolina, US.He was one of three noted German-American ironworkers in Charleston, who created most of its high-quality wrought iron.
Stewart Iron Works is an American ironworks plant in Erlanger, Kentucky. It is one of the region's oldest manufacturing firms and at its peak was the largest iron fence maker in the world. [ 1 ] [ 2 ] Stewart's is the second-oldest iron company in continuous operation in the United States. [ 3 ]
By 1970, through the Cold War buildup, iron worker wages peaked at $44.80 (2010) ($7.97). Then, following the 1965 new immigration policy and the start of the fourth great migration wave, [ 5 ] wages fell 10% to $40.38 (2010) by 1980 ($15.26), and fell another 20% to $29.90 (2010) per hour ($20.88) by 1990, comparable to the 1950s wage rate.
Columns at the Crystal Palace (1851), as well as short trusses, were made from the cast iron, while longer beams used wrought iron. A less-known precursor to the modern steel frame construction, the four-storey Boat Store ("Shed 78", 1858–1860), has its rigid frame constructed also from cast iron columns and wrought iron girders.
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