How to choose the marine embossed aluminum plate?
- Jan 16, 2019 -

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In recent years, aluminum marine plate has gradually become one of the emerging fields of aluminum alloy industry.

As marine alloy aluminum plates and embossed aluminum plates are mainly used in marine shipping, therefore, compared to ordinary alloy aluminum plate and embossed aluminum plate, marine alloy aluminum plate and embossed aluminum plate requirements have a more stringent process and better performance standards. Requirements so strict, marine alloy aluminum plate and embossed aluminum plate how to material?

Or what is the standard for material selection?

First, excellent corrosion resistance. Since it is used by ships, excellent corrosion resistance is of course a top priority. Ships are used all year round in harsh seawater media and marine environment, therefore, corrosion resistance is one of the main signs of marine aluminum coated sheets.

Second, there is a high specific strength and specific modulus. The structure strength and size of the ship are closely related to the yield strength and elastic modulus of the material, because the elastic modulus and density of aluminum alloy are roughly the same, the addition of alloy elements also has little influence, so increasing the yield strength in a certain range is powerful to reduce the ship structure.

High strength aluminum alloys are often difficult to have excellent corrosion resistance and solderability at the same time.

Third, aluminum sheets has a good cold, thermoforming performance. At present, the main use of the ship is automatic Argon arc welding method, good weldability means that the aluminum alloy in the welding of the formation of cracks tend to be small, that is to say, aluminum alloy to have a good welding crack resistance.

Lost welding performance cannot be restored by re-heat treatment under shipbuilding conditions.


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