... 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 ... shell, reflector, and the light accessories, tube set, spiral casing; Hardware products: holes, fasteners, pin, hinges, lock, rivets, spring, stamping ...