In 2006, the amount of copper and aluminum conductors used in China's electrical appliances reached 354 and 1.07 million tons, respectively. Wire and cable conductors involved in copper reduction include electrical aluminum and aluminum alloy wire, copper clad aluminum wire, copper clad steel wire, and thin aluminum wire. And copper clad aluminum row. In 2006, the total amount of copper clad aluminum wire used in China was about 50,000 tons, of which mainly used for communication cables. The amount of aluminum used in other wire and cable accounts for only about 20% of the total amount of aluminum conductors. In particular, the number of aluminum power cables instead of copper power cables is not much, and there is no obvious replacement trend.
Academician Huang Chongji particularly pointed out that what we now call “aluminum section copper†is by no means the policy of “aluminium substitutes for copper†advocated in the 1960s and 1970s, because copper was classified as a defense material at that time, and foreign blockades were difficult to achieve. Imports, but now the implication is that where copper must be used, or copper is to be used, and in cases where copper is also available, aluminum needs to be scientifically justified and practically applied. Aluminum can be used for aluminum.
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