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Copper bar is a kind of non-ferrous metal processing bar, which has good processing properties and high electrical conductivity. Mainly divided into brass rods (copper-zinc alloy, cheaper), purple copper rods (higher copper content).
Brass rods are made of copper and zinc alloy made of rod-like objects, because of the yellow color of the name. Brass with 56% to 68% copper content has a melting point of 934 to 967 degrees. The mechanical properties and wear resistance of brass are very good, and can be used to manufacture precision instruments, ship parts, gun shells and so on. Zinc content is different. There will be different colors, such as zinc content of 18%-20% will be red yellow, and zinc content of 20%-30% will be brownish yellow. In addition, brass sounds unique when struck, so Eastern gongs, cymbals, bells, horns and other instruments, as well as Western brass instruments are made of brass.
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