[China Aluminum Network] There are many kinds of aluminum plates, which can be divided into pure aluminum plates and alloy aluminum plates. The surface of aluminum plate has a fine layer of aluminum oxide film, which can prevent further external corrosion. Aluminum resists nitric acid corrosion but is easily corroded by hydrochloric acid and alkalis. The aluminum plate made of 99% pure aluminum has good corrosion resistance, but its strength is low. A certain amount of copper, silicon, magnesium, zinc, etc. is added to the aluminum to form an aluminum alloy. Our commonly used aluminum materials are pure. Aluminum plate and annealed aluminum alloy plate. When the thickness of the air pipe and parts made of aluminum plate is less than 1.5mm, bite joints can be used, and when the thickness is more than 1.5mm, welding is used. Care must be taken to protect the surface of the sheet during transportation and processing to avoid scratching and scratches.

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