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Cast iron. Cast iron is a class of iron – carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. [1] Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its carbon appears: white cast iron has its carbon combined into an iron carbide named ...
In China, blast furnaces produced cast iron, which was then either converted into finished implements in a cupola furnace, or turned into wrought iron in a fining hearth. [34] If iron ores are heated with carbon to 1420–1470 K, a molten liquid is formed, an alloy of about 96.5% iron and 3.5% carbon.
Founded in 1865 as the Seldon and Griswold Manufacturing Company, the Griswold company became known as the premier manufacturer of high-quality cast-iron kitchen items in the United States. The Griswold cast iron foundry was based in Erie, Pennsylvania; and until the early 1900s, cast-iron items from this company were marked with an "ERIE" logo.
A cupola or cupola furnace is a melting device used in foundries that can be used to melt cast iron, Ni-resist iron and some bronzes. The cupola can be made almost any practical size. The size of a cupola is expressed in diameters and can range from 1.5 to 13 feet (0.5 to 4.0 m). [1] The overall shape is cylindrical and the equipment is ...
Bellfounding. Bellfounding is the casting and tuning of large bronze bells in a foundry for use such as in churches, clock towers and public buildings, either to signify the time or an event, or as a musical carillon or chime. Large bells are made by casting bell metal in moulds designed for their intended musical pitches.
Cast iron: Confirmed by archaeological evidence, cast iron, made from melting pig iron, was developed in China by the early 5th century BC during the Zhou dynasty (1122–256 BC), the oldest specimens found in a tomb of Luhe County in Jiangsu province; despite this, most of the early blast furnaces and cupola furnaces discovered in China date ...
Lodge introduced a line of enameled cast-iron cookware in 2005; this was to match the ability of European manufacturers' abilities. In 2017, Lodge opened their second foundry, increasing their manufacturing capacity by 75%. [9] The facility is a 127,000-square-foot foundry, which increased production by 75%.
NTN (China) Investment Corporation was established in Shanghai in 2005 to oversee its current operations and new projects in China to improve productivity relative to capital, equipment, information, materials, personnel, products, technology and other business resources as well as integrating supply chain channels and advancing new projects. [20]