Composite stratified material and use thereof for coinage

Details Composite stratified material and use thereof for coinage Composite stratified material and use thereof for coinage

B - Operations, Transporting

32

B

B32B 15/01 (2006.01) A44C 21/00 (2006.01) C22C 38/42 (2006.01)

Patent

CA 2271654

Composite stratified material comprising a core layer of a ferritic chrome steel that is plated on both sides with a steel consisting of (mass %): chrome 16.0 to 18.0, nickel 10.0 to 12.0 and copper 3.5 to 4.5, as well as of selectably other elements, the rest being essentially iron, and its use for manufacturing coins, chips, tokens and related objects.

L'invention concerne un matériau composite caractérisé en ce qu'il présente une couche centrale en acier au chrome ferritique, qui est revêtue des deux côtés par un acier ayant la composition ci-après (en % en masse): chrome 16,0 à 18,0, nickel 10,0 à 12,0, cuivre 3,5 à 4,5 et d'autres éléments optionnels, le reste étant essentiellement constitué par du fer. L'invention concerne également l'utilisation de ce matériau pour la fabrication de pièces de monnaie, de jetons de valeur, jetons à jouer et objets analogues.

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