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