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6082 aluminum plate sheet
sell 2020-09-14
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Mingtai Al.
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6082 aluminum plate related knowledge
6082 aluminum plate (composition) 6082 belongs to the 6 series (Al-Mg-Si) alloy aluminum plate. It is an aluminum alloy plate that can be strengthened by heat treatment. It has medium strength, good welding performance and corrosion resistance. It is mainly used in transportation and structural engineering. industry. Such as bridges, cranes, roof structures, transport aircraft, transport ships, etc.

In recent years, with the rapid development of the shipbuilding industry at home and abroad, reducing the deadweight of the hull, increasing the speed of the ship, and seeking aluminum alloy materials to replace steel parts have become important issues facing the aluminum processing industry and the shipbuilding industry. 6082 aluminum alloy aluminum plate has medium strength, good corrosion resistance, and light weight. It is an ideal material for manufacturing high-speed ship parts.

The casting process of 6082 aluminum plate

1. The characteristic of smelting 6082 alloy is that it contains Mn, which is a refractory metal, and the melting temperature should be controlled at 740-760℃. Stir evenly for more than two times before sampling to ensure that the metal is completely melted, the temperature is accurate, and the composition is uniform. After stirring, take a sample from the middle of the molten aluminum depth and on the left and right sides of the furnace for analysis, and the converter can be converted after the analysis is qualified.
2. After the purification and casting melt is transferred to the stationary furnace, it is sprayed with nitrogen and refining agent and air jet refining, the refining temperature is 735-745℃, and the time is 15 minutes. After refining, let it stand for 30 minutes. Through this process, degassing, slag removal, and melt purification. During casting, there are two filtering devices between the mold and the furnace mouth. The furnace mouth is filtered by a foam ceramic filter plate (30PPI). Before casting, it is filtered with a 14-mesh glass fiber cloth to fully filter out the oxides and slag inclusions in the melt.

The casting temperature of 6082 alloy aluminum plate is relatively high (compared with the normal process of 6063 aluminum plate), the casting speed is relatively low, and the water flow is relatively large. The above process needs to be strictly controlled and cannot exceed the range, otherwise it will easily lead to casting failure.
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