Ductility resistance: the aluminum alloy cable tray is 40 lower than the copper cable, which is more conducive to the fastening of the connecting terminal and the fastening of the contact end of the connecting end.

耐蝕性：在空氣中電纜橋架的抗腐蝕功能好于銅，銅纜的應用壽按三十年整體規劃，電纜橋架的應用壽可以達四十年，這也是以在美國運用的客觀事實為根據。

Corrosion resistance: the corrosion resistance of cable tray in the air is better than that of copper. The application life of copper cable is planned as a whole for 30 years, and the application life of cable tray can reach 40 years, which is also based on the objective fact of application in the United States.

坎坷功能：根據GB/T12706中對銅纜設備時坎坷半經的劃分，銅纜的坎坷半經是10——20倍線纜直徑，鋁合金電纜橋架的坎坷半經不大為7倍線纜直徑，應用電纜橋架減少了設備合理布局的室內空間，減少了設備成本，更安裝鋪設。

Bump function: according to the division of bumpy half diameter of copper cable equipment in GB/T12706, the bumpy half diameter of copper cable is 10-20 times the cable diameter, and the bumpy half diameter of aluminum alloy cable bridge is not more than 7 times the cable diameter. The application of cable bridge reduces the indoor space for reasonable layout of equipment, reduces the equipment cost, and is more installation and laying.

導電率：根據GB/T3956鋁合金型材電導體比較于銅電導體加上一個或兩種規格型號，抵達同樣的電纜載流量，即鋁合金型材的橫截面加上1.5倍抵達銅同樣的導電性。自然橫截面增大1.5倍，但通過壓緊解決，電導體直徑與銅比較只加上1——18mm，加上的非常少。

Conductivity: according to GB/T3956, aluminum alloy profile electrical conductor is compared with copper electrical conductor plus one or two specifications and models to reach the same cable current carrying capacity, that is, the cross section of aluminum alloy profile plus 1.5 times to reach the same conductivity of copper. The natural cross section is increased by 1.5 times, but the diameter of electric conductor is only added by 1-18mm compared with that of copper, which is very small.

可塑性：鋁合金電纜橋架由于退火處理后的拉伸強度能到達或超出百分30，高過銅纜的25規范。

Plasticity: the tensile strength of aluminum alloy cable tray after annealing can reach or exceed 30%, which is higher than the 25 specification of copper cable.

份量：同樣電纜載流量同樣尺寸的鋁合金電纜橋架是銅纜的份量的一半，在大跨距設備中優點明顯，可以設備成本。

Weight: aluminum alloy cable tray with the same cable carrying capacity and size is half the weight of copper cable. It has obvious advantages in large-span equipment and can reduce equipment cost.

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