Walloon iron

Walloon process, -eisen, n. Walloon iron. Wallrat, Wallross. = Walrat, Walross. Wallstein, m. dam (of a blast furnace), dam-stone. -platte,/. Metal.) dam plate. Wallung, /. boiling, ebullition simmering ... 

What made the Swedish Walloon iron so special In Sheffield it was expressed by saying that the iron was characterized by better soundness and better body than iron from other suppliers. Wilhelm Ekman [8.13] has shown that soundness impHes a low content of slag inclusions. 

Different hearth methods - German, Walloon, Franche-Comte and Lancashire -were used, all in accordance with the above principle, but with differences in the practical performance. The main product, bar iron or similar, was processed to scythes, horseshoes, plows, chains, gratings, nails, wire, swords and so on in spedahzed workshops [8.10]. 

Cast iron produced in a blast furnace has a high carbon content and is brittle and not forgeable. At this time, the first part of the 19 century, the carbon elimination process was of the Walloon foiling type during which oxidation... 

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