gray iron
noun1
An alloy of iron, carbon, and silicon that contains 1.7 to 4.5% carbon and 1 to 3% silicon.
noun
An alloy of iron, carbon, and silicon that contains 1.7 to 4.5% carbon and 1 to 3% silicon.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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