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Home>News> Introduction of copper clad aluminum row

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Introduction of copper clad aluminum row 2013-07-19

Copper clad aluminum is a row of aluminum-matrix, the outer coating of copper. Aluminum and brass, out of aluminum and copper to remove the oxide film inside, pressed into the aluminum brass, the stretching or rolling between the solid brass and aluminum combination, pull into the required dimensions , so that between them form a metallurgical bond between atoms of a permanent bi-metal, the surface bright, round, free of defects. It is the stability of the conductive properties of copper and aluminum high-quality low-cost energy, a lower contact resistance, combined with one of the new conductor material. Can fully replace the copper row, the proportion of copper, accounting for 40% of the proportion accounted for 60% of aluminum, the case is the same size 2.5 times the long row of copper, carrying capacity is 85% pure copper row, choose a slightly larger size fully achieve the same carrying capacity, in line with customer needs in diameter and mechanical and electrical properties of technical requirements.


The copper clad aluminum row of advantages as followed:

1, good electrical conductivity: the volume ratio of 15% copper and aluminum copper clad aluminum row of electrical properties, and copper compared to the AC load flow is 85% pure copper.

2, light weight: only the density of copper clad aluminum copper row row 37% -40%, the length of the same weight (volume) is a copper row 2.5-2.7 times.

3, good mechanical properties: tensile strength with good, flexible and elongation.

4, solid copper and aluminum combination between: between two different metals in a variety of ambient temperature to achieve a permanent binding between crystal atoms, and copper layer (tin, zinc layer) distribution, there is no physical defects.

5, good scalability and reliability: Through a special heat treatment process, has a certain plasticity, is conducive to punching, shearing, bending the product does not crack, does not. In order to improve corrosion resistance, surface layer in tinned copper, zinc processing.

6, the best selectivity: save copper, greatly reducing the cost of production facilities, environmental protection, no pollution.


Copper clad aluminum row, can be specifically used to replace copper, aluminum row. The product uses advanced dual metal composite material technology, stable quality and reliable performance is a high-tech energy-saving products.Copper clad aluminum can be used in Switchgear,Control cabinet,Transformer,Insurance Switch,Vacuum switch,Relay system, ect.