Functional bells, for the intention of producing sound, are usually made by casting bell metal, an alloy of bronze, with a composition of approximately 80 percent copper and 20 percent tin.
Functional bells are usually made by casting bell metal with a composition of approximately 80 percent copper. This was for the intention of producing sound. Functional bells are usually made by casting bell metal with a composition of 20 percent tin. This was for the intention of producing sound. Bell metal is an alloy of bronze.