China lacks copper and copper prices have skyrocketed. At present, China's cable industry has become a hot spot for aluminum-clad copper. Academician Huang Chongxi of the Shanghai Cable Research Institute pointed out in his recent article "On the copper-copper of China's cable industry" that aluminum-clad copper is a trend in China's cable industry because it obviously affects the cost of cable products and Profits, coupled with China's lack of copper, but to the extent of the development of aluminum copper, but also technical and economic feasibility and the approval of the supply and demand sides to determine.
In 2006, the amount of copper and aluminum conductors used in China's electrical engineering has reached 354 and 1.07 million tons respectively. The conductors for wire and cable related to copper-saving include electrical aluminum wire and aluminum alloy wire, copper-clad aluminum wire, copper-clad steel wire and fine aluminum wire. And copper-clad aluminum rows. In 2006, the total use of China's copper-clad aluminum wire was about 50,000 tons, mainly used for communication cables. The amount of aluminum used in other wires and cables is only about 20% of the total amount of aluminum conductors. In particular, the number of copper power cables for aluminum power cables is not large, and no obvious replacement trend has been seen.
Academician Huang Chongxi specifically pointed out that what we are talking about now is not the principle of aluminum-based copper advocated in the 1960s and 1970s, because copper was listed as a national defense material, and foreign blockade was difficult to import, but now The meaning is that copper must be used, or copper should be applied, and in the case where available copper can also be used for aluminum, it needs scientific demonstration and practical application. Aluminum can be applied with aluminum.
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