A process for producing malleableironcastings by melting wrought iron, to which from 0.05 to 0.1 per cent of aluminum is added to lower the melting point, usually in a petroleumfurnace, keeping the molten metal at the bubbling point until it becomes quiet, and then pouring the molten metal into a mold lined with a special mixture consisting essentially of molasses and ground burnt fire clay.
The malleable iron produced by this technique.
Origin
Perhaps from Latin mitis.
Modern English dictionary
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