Why Is Aluminum Alloy So Popular?
Aluminum alloy is of low density, good mechanical properties, processing properties, electrical conductivity, heat transfer and corrosion resistance. It is widely used in the marine industry, chemical industry, aerospace, metal packaging, transportation, etc.
Marine industry
Aluminum alloy with excellent comprehensive performance is used to manufacture ship shells, support structures, supporting facilities, pipelines, etc.
Aluminum alloy used in the marine industry can reduce the overall weight of the ship, increase the speed of the ship, and resist the corrosion of the ship by seawater. The aluminum alloys used in the marine industry are mainly aluminum-copper alloys, aluminum-magnesium alloys and aluminum-silicon alloys.
Al-Mg alloy, that is 5xxx aluminum alloy, is mainly used for hull shells, water pump pipes, pump shells and frame brackets, etc. Aluminum marine 5083 is used for building different ships in sea water. Other common alloy are 5052, 5086, 5456, 5466,etc.
Chemical industry
Aluminum has good thermal conductivity. Aluminum and aluminum alloys are widely used in the production of heat exchange equipment in chemical equipment, storage tanks resistant to concentrated nitric acid corrosion, adsorption filters, fractionating towers, pipelines and many linings.
Metal packaging
Aluminum sheet is widely used as the bottle cap material for the beer, beverage and other food cans. Aluminum foil container is of beautiful shape, light weight and good heat transfer, which are used for fast food packaging. It is also often seen in the flexible packaging. 8011 aluminum foil is often used for food packaging.
Aerospace industry
Aluminum alloy is the main material used in aircraft manufacturing. Although it has similar strength with mild steel, it is much lighter. Therefore, aluminum alloy is the most ideal material for making airplanes. The common alloys are 2xxx and 7xxx aluminum alloy, like 2024 and machining 7075 aluminum.
Duralumin can be used to manufacture rivets, aircraft propellers and high-strength parts on aircrafts according to the content of its alloying elements. Super-duralumin is duralumin containing zinc, of which the hardness and strength are higher than duralumin. Different varieties of super-duralumin are used to manufacture various structural parts and high-load parts.
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