Characteristics and uses of aluminum alloy flanges
Release time:
2022-08-16
Source:
The aluminum alloy flange is a part of the connection between the pipe and the pipe. The main function is for the connection between the pipes. There are also some flanges that are used on the inlet and outlet of the equipment for the connection between the two equipment. Aluminum alloy flange connection or flange joint refers to the connection of three connecting parts of flange stator and bolt. As a combination, the sealing structure can be disassembled and connected.
Aluminum in Ruiye Flange aluminum alloy flange is a silver-white light metal with good ductility. It can form a layer of oxide film that prevents purple metal from decaying in humid air. Rice noodles and aluminum foil can be heated in the air. burning, and can also emit dazzling white or. The characteristic of flange is that it is easy to dissolve in dilute sulfuric acid, nitric acid, and hydrochloric acid, but it is difficult to dissolve in water. The aluminum element in the aluminum alloy flange is the third most abundant metal element in the earth's crust after oxygen and silicon.
In the three important industrial developments of aviation and construction of automobiles, this material is required to have the unique properties of aluminum and aluminum alloys, which is more conducive to the production and application of new metal aluminum. Therefore, the application of aluminum alloy flanges is now very extensive. The aluminum alloy flange adopts the splicing method as a whole, that is, when you connect the same air duct size, paste the flame-retardant sealing strip in the groove of the heat insulation section of the branch pipe, and the glued sealing strip should be very tight and smooth. There is no defect.
After the flame retardant sealing strip is pasted, the fragments of the sealing plate are aligned, and then use strong forceps to temporarily fix the tear, and then install the cutting strip on the outer buckle section of the flange. Aluminum alloy flanges are now manufactured in the aerospace field for fastening parts. Now the aluminum alloy flange has corrosion resistance, which is a condition that some other hands do not have. Because the surface of the aluminum alloy has a very strong film, this film covers the surface of the aluminum alloy, allowing the aluminum alloy and oxygen isolation occurred.
As time goes on, the car film will continue to thicken. If this layer of film is damaged, it will re-grow to protect us, which also makes the aluminum alloy flange have Very good corrosion resistance, of course, in the later stage, it is necessary to carry out surface treatment to make the aluminum alloy develop and be more corrosion resistant. Many people think that you are a material that will not oxidize. In fact, this idea is wrong, it is just that the conditions and degrees of oxidation are different. If the surface protective film of the aluminum alloy flange is damaged , then its body will also be oxidized.
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