UGINA 4567 and 304Cu are the same grades designated differently for the European and North American markets, respectively. Controlled steelmaking results in machining gains, particularly in deep drilling, over UGIMA 4307 (see Alloy Digest SS-722, November 1998). This datasheet provides information on composition. It also includes information on corrosion resistance as well as heat treating and machining. Filing Code: SS-754. Producer or source: Ugine-Savoie.