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Acmonital

Summary

Acmonital (acciaio monetario italiano or Italian monetary steel) is a stainless steel alloy consisting mostly of iron, with 0.14% carbon, 17.5-19% chromium, 0.50% magnesium, 1.15% silicium, 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 edit

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