Seamless aluminium tube

here may be one or more closed through holes with uniform wall thickness and cross section to be delivered in a straight or coiled form. Widely used in automobiles, ships, aerospace, aviation, electrical appliances, agriculture, machinery and electrical, home and other industries.Aluminum tubes are mainly divided into the followingAccording to the shape of: square tube, round tube, pattern tube, special-shaped tube, global aluminum tube.It can be divided into seamless aluminum tube and common extrusion pipe according to extrusion methodAccording to the precision points: ordinary aluminum tube and precision aluminum tube, in which the precision aluminum tube generally needs to be processed after extrusion, such as cold drawn, fine drawn, rollingBy thickness: ordinary aluminum tube and thin-walled aluminum tubePerformance: corrosion resistance, light weight.CharacteristicAs a kind of high strength aluminum alloy, heat treatment can be strengthened, annealing, quenching and heat under the condition of rigid plasticity, good welding, gas welding and argon arc welding in aluminum has the tendency of intergranular crack formation; aluminum hardening in quenching and cold cutting performance is good and bad in annealing state when. The corrosion resistance is not high, in order to improve the corrosion resistance of anodic oxidation treatment and often used methods of paint or aluminum surface layer. Can also be used as a die material.Advantages of aluminum tube: first, welding technology advantages: it is suitable for industrial production of thin-walled copper aluminum tube welding technology. It is called world class difficult problem, and it is the key technology of aluminum alloy for air conditioner connecting tube.Two is the service life advantages: from the inner wall of the aluminum tube, as the refrigerant does not contain moisture, the copper and aluminum connecting pipe inner wall will not corrode.Three is energy-saving advantages: air conditioner indoor machine and outdoor machine connection pipeline, heat transfer efficiency is lower, more energy saving, or, the better insulation effect, the more power saving.Four is the bending performance, easy to install and remove [1]

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