What type is red copper mainly divided into?

Copper is a transition element, chemical symbol Cu, English copper, atomic number 29. Pure copper is a soft metal, the surface just cut with a reddish orange metallic luster, the elemental is purplish red. Because of its good ductility, high thermal and electrical conductivity, it is the most commonly used material in cables and electrical and electronic components. It can also be used as a building material and can form many kinds of alloys. Copper alloys have excellent mechanical properties and very low electrical resistivity, the most important of which are bronze and brass. In addition, copper is a durable metal that can be recycled many times without damaging its mechanical properties. The classification habit of copper and copper alloy in China is classified according to color and lustre. It is generally divided into four categories:

1, copper: refers to pure copper, the main varieties of oxygen-free copper, copper, phosphorus deoxidized copper, silver copper;

2, brass: refers to copper and zinc based alloy, and can be subdivided into simple brass and complex brass, complex brass and the third group of elements named nickel brass, silicon brass, etc.;

3, bronze: refers to copper based alloy other than copper nickel, copper zinc alloy, the main varieties are tin bronze, aluminum bronze, special bronze (also known as high copper alloy);

4, copper: refers to copper nickel alloy;

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