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Brass Performance Testing And Analysis


The color of brass changes from yellow-red to light yellow with the increase of zinc content. If the alloy consists only of copper and zinc, it is called ordinary brass or zinc brass. The mechanical properties of ordinary brass are higher than that of pure copper, and the price is much cheaper. In general, it is neither rusty nor corroded. At the same time, ordinary brass has good plasticity and can withstand hot and cold pressing, so it is widely used in various structural parts in machine manufacturing. In order to improve the properties of ordinary brass, tin, nickel, manganese, lead, silicon, aluminum, iron and other elements are added to the copper-zinc alloy to become a special brass.

The influence of various elements on the detection performance of special brass is as follows:
Tin can improve the strength of brass and can significantly improve its corrosion resistance to seawater, so it is called navy brass.
Nickel can also increase strength and corrosion resistance, but nickel is not very expensive because nickel is too expensive.
Manganese can significantly improve the technological performance, strength and corrosion resistance of brass.
Lead can improve the machinability of brass, but the plasticity is slightly reduced.
Silicon can greatly improve the mechanical properties, corrosion resistance and casting properties of brass.
Aluminum can greatly improve the strength of brass and improve their stability to corrosion, but the plasticity is significantly reduced.
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