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The two forging presses in use can exert a pressure of 4,500 tonnes and 10,000 tonnes on a billet of steel. The 4,500 tonne press was installed in 2010 to replace a 1,500 tonne press which dated back to 1897 and was originally steam powered, and after several upgrades became hydraulically operated.
Direct reduction methods such as this one offer the flexibility of using any solid fuel and in this case, 240 to 300 kg of hard coal is needed to process one metric ton of iron ore that contains 30 to 40% iron. Assuming a consumption of 300 kg/ton of ore at 30%, the hard coal consumption is 800 kg per ton of iron.
The Wyman-Gordon 50,000-ton forging press. The Heavy Press Program was a Cold War-era program of the United States Air Force to build the largest forging presses and extrusion presses in the world. These machines greatly enhanced the US defense industry's capacity to forge large complex components out of light alloys, such as magnesium and ...
The replacement of charcoal with coal in the steel-making process revolutionized the industry, and tied steelmaking to coal-mining areas. In the 1800s, making a ton of steel required a greater weight of coal than iron ore. Therefore, it was more economical to locate closer to the coal mines.
The works were built to exploit the high-quality iron ore and low-sulphur coal found in the area. Low Moor made wrought iron products from 1801 until 1957 for export around the world. At one time it was the largest ironworks in Yorkshire, a major complex of mines, piles of coal and ore, kilns, blast furnaces, forges and slag heaps connected by ...
The development of Alabama's iron and steel industry was primarily stimulated by the abundance of raw materials; coal, iron ore, limestone, and dolomite. [6] The most powerful and profitable companies in North Alabama were those which had direct control over mines, as well as other facilities necessary for extracting and assembling raw ...
The Knoxville Iron Company was an iron production and coal mining company that operated primarily in Knoxville, Tennessee, United States, and its vicinity, in the late 19th and 20th centuries. [1] The company was Knoxville's first major post-Civil War manufacturing firm, and played a key role in bringing heavy industry and railroad facilities ...
The 50,000-ton press was the largest machine in the world at the time, 10 stories high and with foundations extending 100 ft (30 m) into bedrock. In 1983, the American Society of Mechanical Engineers designated the 50,000-ton forging press in North Grafton as a National Historic Mechanical Engineering Landmark. [6]
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