Cupronickel
A copper alloy with nickel as the main additive element. Industrial copper-nickel alloy is divided into two major categories: structural copper-nickel alloy and electrical copper-nickel alloy. Structural white copper is characterized by good mechanical properties and corrosion resistance, and beautiful color. This kind of cupronickel is widely used in the manufacture of precision machinery, eyewear accessories, chemical machinery and ship components. Electrical white copper generally has good thermoelectric properties. Manganese copper, constantan, and test copper are manganese-nickel alloys with different manganese content. They are used to manufacture precision electrical instruments, varistors, precision resistors, strain gauges, and thermocouples.
Brass
Brass is an alloy of copper and zinc. Brass is often used to make valves, water pipes, connecting pipes for internal and external air conditioners, and radiators.
Special brass is also called special brass. It has high strength, high hardness and strong chemical resistance. The mechanical properties of cutting are also outstanding. Adding aluminum to manganese brass can also improve its performance and obtain castings with a smooth surface. Brass can be divided into casting and pressure processing products.
Bronze
Tin bronze has good casting performance, anti-friction performance and good mechanical performance. It is suitable for manufacturing bearings, worm gears, gears, etc. Lead bronze is a bearing material widely used in modern engines and grinders. Aluminum bronze has high strength, good wear resistance and corrosion resistance. It is used to cast high-load gears, shaft sleeves, and marine propellers. Phosphor bronze has high elastic limit and good conductivity, and is suitable for making precision springs and electrical contact components. Beryllium bronze is also used to make non-sparking tools used in coal mines and oil depots.
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