PRODUCTS
Copper
Copper is a kind of metal with purple red luster. It is slightly hard, extremely tough, wear-resistant, and has good ductility, good heat conductivity, conductivity and corrosion resistance. Due to its abundant reserves in nature, excellent performance and convenient processing, copper is second only to aluminum in the consumption of nonferrous metal materials in China, and is widely used in electrical, machinery manufacturing, construction industry, transportation and other fields.
Copper features:
Good ductility, high thermal conductivity and conductivity, diamagnetic, durable, and the flame of copper is green.
Copper has strong corrosion resistance. Compared with aluminum, copper is more resistant to non oxidizing acids, alkalis, seawater, etc., but aluminum is more resistant to corrosion than copper in atmosphere, weak acid and other media.
Copper has good plasticity and can withstand cold and hot pressure processing with large deformation, such as rolling, extrusion, forging, etc.
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Aluminum
Aluminum is a metal element with the symbol Al and atomic number 13. Its simple substance is a silver white light metal. It is malleable. Goods are often made into rods, sheets, foils, powders, ribbons and filaments. It can form an oxide film to prevent metal corrosion in humid air.
Aluminum features:
Aluminum is a light metal, and its density is only about one third that of iron. The treated aluminum alloy is tough and easy to stretch. With metallic luster, the surface is silver white and shiny when it is smooth.
The ability to reflect visible light is strong (about 92%), and the reflection of medium and far infrared can reach 98%. Aluminum is easy to machine, cut and shape.
Aluminum has good conductivity (59% of copper), which is much lighter than copper. Aluminum can superconduct at a temperature lower than 1.2K and a magnetic flux greater than 100 Gauss.
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