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Acmonital is a Stainless Steel alloy consisting mostly of Iron, with 0.14% Carbon, 17.5-19% Chrome, 0.50% Magnesium, 1.15% Silicium, 0.03% Sulfur, and 0.03% Phosphorus by weight. Acmonital was used in Italy for their Lira and is the acronym for "acciaio monetario italiano" (Italian monetary steel).[1]


  1. ^ New York Times Archives (1939-06-04). "COINS OF STEEL ALLOY FOR ITALY". New Netherlands Coin Co. Retrieved 2010-04-23.