Cuivre et alliages de cuivre — Code de désignation — Partie 1: Désignation des matériaux

The material designations shall be based on the chemical composition limits. All material designations shall have the prefix "ISO". International chemical symbols shall be used for the designation of the base element and the major alloying elements, followed by letters indicating the metal grade or by numbers indicating the nominal alloy content. Cast alloys shall have the prefix G.