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Comprehensive Interpretation Of Eight Series Of Aluminum And Aluminum Alloy Characteristics

Designation Of Aluminum Alloy

International brand (four-digit Arabic numerals, commonly used today) :

1XXX represents more than 99% pure aluminum series, such as 1050,1100

2XXX indicates an aluminum-copper alloy series, such as 2014

3XXX indicates an aluminum-manganese alloy series, such as 3003

4XXX indicates an aluminum-silicon alloy series, such as 4032

5XXX indicates an aluminum-magnesium alloy series, such as 5052

6XXX indicates an aluminum-magnesium-silicon alloy series such as 6061,6063

7XXX indicates an aluminum-zinc alloy series, such as 7001

8XXX represents an alloy system other than the above

Properties Of Various Aluminum Alloys

There are different aluminum alloys. The first series of aluminum has good formability and surface treatment, and its corrosion resistance is the best in aluminum alloy. Its strength is low, the higher the purity, the lower the strength. A series of aluminum are relatively soft, mainly used for decorative or interior pieces.

The second series is characterized by high hardness, but poor corrosion resistance, of which copper original content is the highest, 2000 series on behalf of 2024,2A16,2A02. The copper content of 2000 series aluminum plate is about 3-5% . The 2000 series aluminum bar belongs to aviation aluminum, which is used as structural material and is not often used in conventional industry at present.

The third series aluminum bar is mainly composed of manganese, 3003,3105 and 3A21. It is a series with good rust-proof function. Commonly used as tanks, tanks for liquid products, construction parts, construction tools, various lighting parts, as well as sheet processing of various pressure vessels and pipes. Good formability, solubility and corrosion resistance.

The forth series of aluminum plate is a high silicon content of the series. It is a building material, mechanical parts, forging material, welding material, low melting point, good corrosion resistance, heat resistance and wear resistance.

The fifth series can also be called aluminum magnesium alloy. The main characteristics are low density, high tensile strength, high elongation. In the same area, the weight of al-mg alloy is lower than other series, and it is widely used in conventional industry.

The sixth series is a cold-treated aluminum forging product suitable for applications requiring high resistance to corrosion and oxidation. Good serviceability, easy coating, good workability.

The seventh series also belongs to the aviation series, is the aluminum magnesium zinc copper alloy, is the heat treatment alloy, belongs to the superhard aluminum alloy, has the good wear resistance. At present, the basic import, China's production process is still to be improved.

The eighth series aluminum alloy more commonly used for 8011 belong to other series, most of the application for aluminum foil, the production of aluminum rod is not commonly used.

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