heade valuomadustega teatud tinapronks (u. 97% Cu, 2% Sn, 1% Zn) kunstvalandite (skulptuuride jms) valmistamiseks (vt pronks), any of several copper alloys used chiefly for casting ornamental objects such as statues; a typical composition is 90% Cu- 6% Sn - 3% Zn - 1% Pb (see: bronze)