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5083/5086 /5456 marine grade aluminum plate sheet

Author:Mingtai aluminum View: Time:2020-05-11

marine grade aluminum plate sheet is aluminum-magnesium rust-proof aluminum plate, and the strength is equivalent to 5A03. It is Generally used for structural applications, it can be cold processed to produce higher strength, and when it is stored at a temperature higher than 65° C. for a long time, peeling and corrosion easily occur. The common aluminium alloys sheet for ships mainly have 5083, 5086, 5456 three kinds
 
 Intergranular corrosion occurs in seawater of 6 series alloy, so the upper structure of ship is used more. Generally speaking, the 5 Series aluminium alloys plate for ships is the most widely used and most promising aluminum alloy product at present.
5083 aluminium alloys can be regarded as the representative product of 5 Series marine aluminium alloys plate. The state is O, H111, H112, H116, H321 and so on. 5083 marine grade aluminium alloys has moderate strength, good corrosion resistance, good formability and high fatigue resistance. It is generally used as the main structure of the ship. Others, such as 5052, 5086, 5454 and 5456, are also used in hull structures or pressure vessels, pipes, hulls and decks.
In general, the thickness of the marine aluminium alloys sheet is determined by the hull structure, ship specifications and the use of parts, from the view of hull lightweight, the sheet should be used as much as possible, but the corrosion depth of sheet metal should be taken into account during the service life. The plates usually used above 1.6mm and plates over 30mm should be considered. There are also some special specifications plates according to the shipyard contract. In order to avoid skidding, the deck is decorated with checkered plates.

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