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Wide application of high performance aluminum coil

  • 2019-12-03
  • 303

Large size and high-performance aluminum coil usually refers to the deep-processing products with high surface quality, dimensional accuracy, plate type and performance requirements, which are widely used in transportation (subway, high-speed rail, etc.), aerospace, marine ships, packaging and other key basic materials for national economic development and national defense construction fields. Next, the application of high-performance aluminum coil is introduced in detail:

I. vehicle lightweight:

Aluminum alloy is widely used in all parts of automobile, such as dashboard and engine bracket, aluminum alloy wheels, suspension system parts, Bumper Crash beam, cylinder, door and heat exchanger. Instead of steel, aluminum can reduce the weight of engine and wheel by about 30%, aluminum radiator (compared with copper products) by 20% ~ 40%, and the weight of the whole vehicle by 30% ~ 40%. This greatly improves the speed and control ability of the car.

II. Materials of high-speed rail car body:

High speed rail is a "big user of aluminum". More than 85% of the materials of a high-speed rail car body are extruded aluminum profiles. The whole car body is welded by profiles, plates, castings and forgings. The high-speed railway carriage not only has high requirements on the rigidity strength, but also has restrictions on the carriage self weight. The density of aluminum alloy only accounts for 1 / 3 of the density of steel, but after adding certain elements to form alloy, the strength is higher than that of steel alloy, which is the best choice!

Experts in the industry also pointed out that high-speed trains with a speed of more than 300 km / h must be made of aluminum alloy, and the carriages of trains with a speed of more than 350 km use almost all aluminum profiles except the chassis.

III. one of the most important metal materials for aviation equipment manufacturing:

At the same strength level, aluminum alloy can provide thicker cross-section materials, and its buckling resistance is better under compression, so it becomes a classical aircraft structural material. For example, high strength aluminum alloy thick plate as the main load-bearing component accounts for 30% ~ 35% of the total aluminum consumption on the aircraft


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