Acmonital (acronym of acciaio monetario italiano, meaning "Italian monetary steel" in Italian) is a stainless steel alloy consisting mostly of iron, with 0.14% carbon, 17.5-19% chromium, 0.50% magnesium, 1.15% silicon, 0.03% sulfur, and 0.03% phosphorus by weight. Acmonital was used for the Italian lira coins.[1]

1940 one Lira coin, made of Acmonital

References

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

See also

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