Plated coin and a method of producing the same

Details Plated coin and a method of producing the same Plated coin and a method of producing the same

C - Chemistry, Metallurgy

22

C

C22C 38/40 (2006.01) A44C 21/00 (2006.01) B32B 15/01 (2006.01) C23C 18/48 (2006.01)

Patent

CA 2137096

The invention concerns procoss for the production of coins consisting mainly of chromium steel, the blanks for stamping consisting of a stainless steel core with an 0.2% proof strength of at least 200 N/mm2, plated on either side with non-ferrous metal, preferably consisting of 60% to 100% copper, whose 0.2% proof strength is a minimum of 40 N/mm2 below the 0.2% proof strengh of the core.

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