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Aluminum rod

Brief introduction—— Aluminum rod is a type of aluminum product, and the melting and casting process of aluminum rod includes melting, purification, impurity removal, degassing, slag removal, and casting.…

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Aluminum rod is a type of aluminum product, and the melting and casting process of aluminum rod includes melting, purification, impurity removal, degassing, slag removal, and casting. According to the different metal elements contained in aluminum rods, they can be roughly divided into 8 categories.

Aluminum (Al) is a Light metal, and its compounds are widely distributed in nature. The resources of aluminum in the crust are about 40 to 50 billion tons, ranking third only after oxygen and silicon. It is the largest Metalloid among metal varieties. Aluminum has special chemical and physical properties, which are not only light in weight and tough in texture, but also have good ductility, conductivity, thermal conductivity, heat resistance, and nuclear radiation resistance. It is an important basic raw material for the development of the national economy.

Aluminum is an extremely rich metallic element on Earth, ranking first in terms of reserves among metals. Until the late 19th century, aluminum emerged as a competitive metal in engineering applications and became popular for a while. The development of the three important industries of aviation, construction and automobile requires that the material properties have the unique properties of aluminum and its alloys, which is greatly conducive to the production and application of this new Nu metal aluminum.

Product classification

According to the different metal elements contained in aluminum rods, they can be roughly divided into 8 categories, which can be divided into 9 series:

1、 The 1000 series aluminum bars represent the 1050, 1060, and 1100 series. The 1000 series belongs to the series with the highest aluminum content among all series. The purity can reach over 99.00%. Due to the absence of other technical elements, the production process is relatively simple and the price is relatively cheap, making it the most commonly used series in conventional industries. The majority of the products circulating in the market are the 1050 and 1060 series. The minimum aluminum content of 1000 series aluminum bars is determined according to the last two Arabic numerals. For example, the last two Arabic numerals of 1050 series are 50. According to the international brand naming principle, the aluminum content must be above 99.5% as qualified products. China's aluminum alloy technical standard (GB/T3880-2006) also clearly stipulates that the aluminum content of 1050 should reach 99.5%. Similarly, the aluminum content of 1060 series aluminum rods must reach above 99.6%.

2、 The 2000 series aluminum bars represent 2A16 (LY16) and 2A02 (LY6). The characteristic of the 2000 series aluminum rod is its high hardness, with the highest content of copper element, around 3-5%. The 2000 series aluminum rods belong to aviation aluminum materials and are not commonly used in conventional industries.

2024 is a typical hard aluminum alloy in the aluminum copper magnesium system, which is a heat-treatable alloy with high strength, easy processing, easy turning, and average corrosion resistance.

After heat treatment (T3, T4, T351), the mechanical properties of 2024 aluminum rods significantly improved. The T3 state parameters are as follows: tensile strength 470MPa, 0.2% yield strength 325MPa, elongation: 10%, fatigue strength 105MPa, hardness 120HB.

The main uses of 2024 aluminum rods include aircraft structures, rivets, truck hubs, propeller components, and various other structural components

3、 The 3000 series of aluminum bars mainly represent 3003 and 3A21.


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