On the direct use of recovered scrap copper and saving copper with aluminium in the Chinese Cable Industry

Huang Chongqi

中国工程科学 ›› 2008, Vol. 10 ›› Issue (3) : 2 -11.

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中国工程科学 ›› 2008, Vol. 10 ›› Issue (3) : 2 -11.

On the direct use of recovered scrap copper and saving copper with aluminium in the Chinese Cable Industry

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On the direct use of recovered scrap copper and saving copper with aluminum in the Chinese cable industry

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摘要

The copper consumption by the Chinese Cable Industry amounted to 3.54 million tons in 2006, taking over 70% of the total copper consumption in China in that year. At present, making copper rod directly from recovered scrap copper and saving copper with aluminium have become topics of general interests in the Chinese Cable Industry. The quality of the copper conductors in the Industry is declining, resulting in sharp decrease in the rate of qualified wire and cable products. More and more copper wires are drawn from the rods made directly from scrap copper. The manufacturers know well some of the wires or rods are unqualified products though, they continue to use or produce products not complying with standards in order to make profits. Now the consumption of copper-clad-aluminum and copper-clad-steel is growing gradually. In 2006, the consumption of copper-clad-aluminum in China amounted to ca. 50 000 tons. But in some applications, neither the common understanding between buyer and supplier nor the results of feasibility study are achieved in the product orientation and technical/economic feasibility in terms of saving copper with aluminium. This paper presents the status-quo, problems arisen and suggestions in terms of making copper rod directly from recovered scrap copper and saving copper with aluminium, in a view to promote these two topics of general interests to go toward a virtuous circle.

Abstract

The copper consumption by the Chinese cable industry amounted to 354×104 t in 2006, taking over 70 % of the total copper consumption in China in that year. At present, making copper rod directly from recovered scrap copper and saving copper with aluminum have become topics of general interests in the Chinese cable industry. The quality of the copper conductors in the industry is declining, resulting in sharp decrease in the rate of qualified wire and cable products. More and more copper wires are drawn from the rods made directly from scrap copper. The manufacturers know well some of the wires or rods are unqualified products though, they continue to use or produce products not complying with standards in order to make profits. Now the consumption of coppercladaluminum and coppercladsteel is growing gradually. In 2006, the consumption of coppercladaluminum in China amounted to ca. 5×104 t. But in some applications, neither the common understanding between buyer and supplier nor the results of feasibility study are achieved in the product orientation and technical/economic feasibility in terms of saving copper with aluminum. This paper presents the statusquo, problems arisen and suggestions in terms of making copper rod directly from recovered scrap copper and saving copper with aluminum, in a view to promote these two topics of general interests to go toward a virtuous circle.

关键词

scrap copper / direct / recovery / using aluminum / saving copper / rod making / the cable industry

Key words

scrap copper / recovery / using aluminum / saving copper / rod making / the cable industry

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Huang Chongqi On the direct use of recovered scrap copper and saving copper with aluminium in the Chinese Cable Industry[J]. 中国工程科学, 2008, 10(3): 2-11 DOI:

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