Wrought iron
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Wrought iron is an iron alloy with a very low carbon content in contrast to that of cast iron, or 0.25% for low-carbon "mild" steel. Wrought iron is manufactured by heating and melting high-carbon cas
Schematic drawing of a puddling furnace
The microstructure of wrought iron, showing dark slag inclusions in ferrite
Eiffel tower from below
Balcon d'un immeuble parisien
Bloomery
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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 ma
Wrought iron
…In the 17th, 18th, and 19th centuries, wrought iron went by a wide variety of terms according to its form, origin, or quality. While the bloomery process produced wrought iron directly from ore, cast iron or pig iron were the starting materials used in the finery forge and puddling furnace. Pig…
A bloomery in operation. The bloom will eventually be drawn out of the bottom hole.
An iron bloom just removed from the furnace: Surrounding it are pieces of slag that have been pounded off by the hammer.
A drawing of a simple bloomery and bellows.
A Catalan furnace, with tuyere and bellows on the right