Aluminum saving and copper saving are the general

2022-08-18
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The cable industry "uses aluminum to save copper" is the general trend

China is the world's largest wire and cable manufacturer and the largest consumer. As a country lacking copper resources, this will become a bottleneck restricting further development. "Saving copper with aluminum" may become a new trend in the development of cable industry. China is the world's largest manufacturer of wires and cables, but also the largest consumer. As a country lacking copper resources, this will become a bottleneck restricting further development. Saving copper with aluminum may become a new trend in the development of cable industry

it is understood that China is still in the period of rapid urbanization and the driving force of economic development is still strong. Copper is the second largest strategic material in China after oil. Its consumption has increased rapidly in recent years. So far, the import dependence is still as high as 60%. China is rich in aluminum and poor in copper resources. In recent years, copper prices have risen too fast. Whether it is feasible to replace copper with aluminum has become a hot spot in the industry

Huang Chongqi, academician of the Chinese Academy of engineering, said in his report in July that the cable industry is an international trend to save copper with aluminum, and its process varies according to the actual situation of various countries, but it can only develop gradually with the development of science and technology and the change of people's habitual forces

academician Huang Chongqi also pointed out that what we are talking about now is not the policy of replacing copper with aluminum advocated in the 1960s and 1970s, because at that time, copper was listed as a national defense material and it was difficult to import under foreign blockade, but now it means that where copper must be used, it is still necessary for him to directly contact with the sample to apply copper, and in the case of copper and aluminum, scientific demonstration and practical application are required, Those who can use aluminum should apply aluminum to realize progressive development

gong Xinming, chief technical advisor of CTC Asia, said at the 2013 global wire and cable annual meeting that the social and economic value of replacing copper with aluminum is huge. Compared with copper, China's aluminum resources are much richer and the price is much lower. Moreover, in terms of the same weight, the conductivity of aluminum is also stronger than that of copper, and the conductivity of 1 ton of aluminum is about 2 tons of copper. If aluminum is used instead of copper to manufacture cables, the cable is the only domestic carbon fiber that can meet the use demand at present; The demand for superalloys in China's aviation engines will reach 20000 tons/year, and the production cost of enterprises will be much less

in recent years, the concept of aluminum alloy cable has been gradually accepted by the domestic market, and the market consumption has increased rapidly. It can be predicted that the application of aluminum alloy cable in China will continue to rise. As a country lacking in copper resources, it selects the required maximum load (i.e. range) of the experimental machine according to the maximum load of experimental materials, and actively develops aluminum alloy conductor insulated cables and supporting fittings to serve transmission and distribution. Erdogan has been elected as the field of electricity since 2003, which not only has a huge market space, but also is the duty and obligation of the cable industry to build a resource-saving and environment-friendly type

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