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Several areas of aluminum plate use
Nov 30, 2018

In the new field of aluminum plate use, in the emerging application field, the consumption of aluminum should be gradually promoted through various aspects such as the transformation of ideas, the maturity of technology, the guidance and support of policies. It is understood that the current key areas for expanding aluminum applications include: transportation, building structure, and power. In addition, it also includes aluminum alloy trays, aluminum alloy flood protection facilities, aluminum alloy bridges, aluminum foil packaging and other products and fields.


1. Transportation field


Scope: Expand the application of all-aluminum trailers, aluminum alloy open-top coal trucks, and high-precision aluminum alloy sheets for cars.


The aluminum profiles used in the transportation field can effectively reduce the self-weight, increase the payload, and prolong the service life, which is of great significance for energy saving and emission reduction, improving the economic efficiency of the transportation industry and road transportation efficiency.


2. Building structure field


Scope: application of expanding aluminum alloy building formwork and aluminum alloy retaining plate


(1) Application of expanding aluminum alloy building formwork


At present, the application ratio of aluminum alloy formwork in China is less than 1%. The large-scale construction enterprises have continuously improved the requirements for standardization, industrialization and factoryization of building construction, and the improvement of the quality requirements of the public, which has greatly promoted the application of aluminum alloy formwork. In recent years, due to the rapid development of the real estate industry, the production scale of China's building formwork industry has maintained a growth rate of around 10-15%.


At the same time as the domestic aluminum alloy template usage continues to increase, domestic companies are also supplying aluminum profiles and aluminum profiles to Brazil, India, Venezuela and Hong Kong and Macao, which will also boost domestic aluminum consumption.


(2) Expansion of the application of aluminum alloy envelopes


In domestic civil buildings, large-scale infrastructure projects, especially those with large spans and complex shapes, such as aluminum alloy panels, have been widely used in roofs and walls of public buildings such as airport terminals, convention centers, stadiums, and so on. However, in industrial buildings, the steel sheet system of the steel structure system accounts for about 70% of the total construction, and the application of aluminum alloy is less.


With the increase in the demand for engineering construction in the overall, strategic, and public welfare fields such as agricultural infrastructure construction, affordable housing projects, and rural dilapidated housing renovation, the demand for aluminum alloy enclosures will increase significantly.


3. Power field


China's copper resources are scarce and require a large amount of imports. The consumption of copper in the power sector accounts for more than 40% of the total consumption. The use of aluminum resources that have formed a strong industrial base in China, instead of the copper resources that are insufficiently guaranteed, can reduce the dependence of copper resources on China to a certain extent. Enhance resource support capabilities.


(1) Promotion of the application of copper-aluminum composite conductor


The copper-clad aluminum composite conductor is composed of an aluminum core and a copper cladding layer, and uses the "skin effect" of the current to replace the copper in the middle portion of the conductor with aluminum. The effect of electrical conductivity is compensated by enlarging the cross-sectional area of the conductor to achieve the same electrical conductivity. Therefore, it has the advantages of excellent copper conductivity, good corrosion resistance, low cost and light weight of aluminum, and is a high-performance composite conductor.


In addition, China has developed a series of steel (stainless steel) aluminum composite, titanium aluminum composite, aluminum-aluminum composite board, belt, foil, and row materials, which are used in electric power, electronics, communications, heat dissipation, construction and other industries.