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Puddling (metallurgy) Schematic drawing of a puddling furnace. Puddling is the process of converting pig iron to bar (wrought) iron in a coal fired reverberatory furnace. It was developed in England during the 1780s. The molten pig iron was stirred in a reverberatory furnace, in an oxidizing environment to burn the carbon, resulting in wrought ...
Ground granulated blast-furnace slag ( GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. Ground granulated blast furnace slag is a latent hydraulic binder forming calcium ...
In 1847, iron rails for the Erie Railroad were made at the site. By 1865, Scranton, Grant & Company had the largest iron production capacity in the United States. In 1875, steel production was initiated at the site. By 1880, the furnaces produced 125,000 tons of pig iron, one of the main uses of which was the manufacture of t-rails.
A bloomery is a type of metallurgical furnace once used widely for smelting iron from its oxides. The bloomery was the earliest form of smelter capable of smelting iron. Bloomeries produce a porous mass of iron and slag called a bloom. The mix of slag and iron in the bloom, termed sponge iron, is usually consolidated and further forged into ...
The Cyfarthfa works were begun in 1765 by Anthony Bacon (by then a merchant in London), who in that year with William Brownrigg, a fellow native of Whitehaven, Cumberland, leased the right to mine in a tract of 4,000 acres (16 km 2) land on the west side of the river Taff at Merthyr Tydfil. [1] They employed Brownrigg's brother-in-law Charles ...
Charcoal iron is the substance created by the smelting of iron ore with charcoal . All ironmaking blast furnaces were fueled by charcoal until Abraham Darby introduced coke as a fuel in 1709. The more economical coke soon replaced charcoal in British furnaces, but in the United States, where timber for charcoal was abundant, charcoal furnaces ...
Mine Hills Preserve is a natural and historical conservation area on Mine Hills Road in northwestern Roxbury, Connecticut. Owned by the Roxbury Land Trust, it protects the site of a well-preserved 19th-century iron mine and furnace works. Several miles of trails provide access to abandoned quarry areas and the preserved remains of the iron ...
Huntingdon Furnace is a national historic district and historic iron furnace and associated buildings located at Franklin Township in Huntingdon County, Pennsylvania. It consists of seven contributing buildings and one contributing structure. They are the iron furnace, office building, the ironmaster's mansion, log worker's house, a residence ...