... a variety of brasses and the distinction is largely historical.Brass is a substitutional alloy. It is used for decoration for ... often used as decoration and for coins. In antiquity, polished brass was often used as a mirror.C24000(80Cu-20Zn) :plate ... (balance)Applications:Decoration metal parts, circular relief, the arch shoulder, battery cap, organ, the bellows and instruments, the clock set, pump ...