Automobile radiator aluminum foil 8011 and 1060 are widely used to make radiators, which can reduce the weight of automobile radiator by about 30%. Because of its beautiful appearance, light weight, good heat dissipation performance, good energy saving effect, aluminum foil radiator is widely used in machinery, automobile, wind power generation, construction machinery, air compressor, railway locomotive, household appliances and other industries.
Aluminum foil for automobile radiator has high strength, good collapsing resistance and heat transfer ability, and can have good sag resistance when brazing at high temperature. Aluminum foil for automobile radiators, the core layer is composed of silicon, iron, copper, manganese, chromium, titanium, aluminum, etc. The mass ratio of each component of the core layer is: silicon 0.2~0.45%, iron 0.31~0.40%, copper 0.30 ~0.40%, manganese 1.0~1.8%, chromium 0.005~0.035%, titanium 0.12~0.20%, and the rest is aluminum.
At present the core material of our country automobile radiator is mainly composed of composite aluminium foil which is composed of aluminum alloy clad aluminium silicon welding material on both sides. The working environment of automobile radiator aluminum foil is harsh, which requires good corrosion resistance and collapse resistance. In recent years, the thickness of aluminum foil has been reduced in order to meet the needs of automobile lightweight, parts miniaturization and material cost reduction.
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