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    Puddling (metallurgy) - Wikipedia

    The best yield of iron achievable from dry puddling is one ton of iron from 1.3 tons of pig iron (a yield of 77%), but the yield from wet puddling was nearly 100%. The production of mild steel in the puddling furnace was achieved circa 1850 [citation needed] in Westphalia, Germany and was patented in Great … See more

    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 … See more

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    In the late 1840s, the German chemist Franz Anton Lohage [de] developed a modification of the puddling process to produce not iron but steel at the Haspe Iron Works in Hagen; it was subsequently commercialized in Germany, France and the UK in the … See more

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    Modern puddling was one of several processes developed in the second half of the 18th century in Great Britain for producing bar iron from pig iron without the use of charcoal. It gradually replaced the earlier charcoal-fueled process, conducted in a See more

    The process begins by preparing the puddling furnace. This involves bringing the furnace to a low temperature and then fettling it. Fettling is the process of painting the grate and walls around it with iron oxides, typically hematite; this acts as a protective coating … See more

    The puddling furnace is a metalmaking technology used to create wrought iron or steel from the pig iron produced in a blast furnace See more

    Sources
    • Landes, David. S. (1969). The Unbound Prometheus: Technological Change and Industrial Development in Western Europe from 1750 to the … See more

     
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  3. Puddlers, Shinglers & Rollers: the Story of Malleable Iron

    WEBPuddling was the first successful process for making malleable iron from pig iron without using charcoal. Unlike in the Finery the iron was not in direct …

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      WEBPuddling produced structural-grade iron at a relatively low cost. It was a means of decarburizing pig iron by slow oxidation, with iron ore as the oxygen source, as the iron was manually stirred using a long rod. …

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