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5052 Automotive Aluminum Sheet Thickness

With the introduction of the concept of lightweight vehicles, traditional iron fuel tanks are gradually being replaced by aluminum fuel tanks, especially for heavy vehicles such as trucks. The fuel tank made of aluminum alloy can reduce the weight of the vehicle by half, and it is not easy to rust and has a long service life. It is mostly made of ASTM5052, a kind of aluminum-magnesium alloy.

5052 aluminum sheet has high strength, especially high fatigue resistance. In addition to magnesium, there are also a small amount of manganese, chromium, beryllium, titanium and other elements in the alloy, among which chromium and manganese have similar effects that can improve the stress corrosion cracking resistance of the aluminum plate, as well as the strength of the base metal and the weld.


When encountering a violent impact, cracks are not easy to appear, ensuring the safety of the vehicle. In addition, the aluminum alloy is not easy to burn, and the explosion-proof effect is obvious.

In order to further strengthen the surface strength of the 5052 aluminum plate, increase the compressive stress, and improve the fatigue life, after the 5052 aluminum plate is formed, it must be further nitrided, low-temperature liquid carbonitriding or sulfuritriding, and then shot peened.

The infiltration of nitrogen not only eliminates the adverse effects of decarburization, but also increases the residual compressive stress. At the same time, the high-temperature strength of the 5052 aluminum plate after nitriding and low-temperature liquid carbonitriding is improved, and the deformation at 150 degrees is 0.2% and the deformation at 250 degrees is 0.56%.
5052 aluminum also needs pickling. For example, increasing the temperature and concentration of the acid will enhance the activity of the acid and increase the pickling speed. But for sulfuric acid and hydrochloric acid, the degree of this effect is different. When the concentration of the acid solution is increased, the solubility of the iron salt decreases (the solubility of ferrous chloride in hydrochloric acid is higher than that of ferrous sulfate in sulfuric acid).

Therefore, the concentration of the newly prepared sulfuric acid solution should not exceed 20%. At present, the maximum initial concentration of sulfuric acid solution for most 5052 aluminum plates is 15%, and it is used to produce until the specified minimum concentration of acid solution and maximum iron content, and then discarded and replaced.

Haomei 5052 aluminum sheet thickness can reach 500 mm and the width can reach 2650mm. Its internal stress is eliminated, and the cutting does not deform. Haomei Aluminum is one the several manufacturers in China that can produce ultra-wide and ultra-thick aluminum plates.

Original Source:https://www.autoaluminumsheet.com/a/5052-automotive-aluminum-sheet-thickness.html

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