Different zinc content will have different colors. For example, 18% - 20% zinc content will be red and yellow, while 20% - 30% zinc content will be brown and yellow. In addition, brass has a unique sound, so gongs, cymbals, bells, horns and other instruments in the East and brass instruments in the West are all made of brass.

Brass bar is a bar shaped object made of copper and zinc alloy, named after its yellow color. Brass with copper content of 56%~68% has a melting point of 934~967 degrees. Brass has good mechanical properties and wear resistance, and can be used to manufacture precision instruments, ship parts, gun casings, etc.