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Welding 5083 aluminium plate for boat building industry
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Aluminum plate are lightweight and corrosion-resistant in marine environments, making the superior material for use in the shipbuilding industry.
The most common aluminum alloys used in shipbuilding are the Al-Mg 5XXX sheet(5083 aluminium plate ) alloys and the Al-Mg-Si 6XXX extrusion alloys, primarily because of their excellent resistance to corrosion.
Most aluminum alloys are easily arc weldable. Virtually all of the alloys in the 1XXX, 3XXX, 4XXX, 5XXX and 6XXX series can be arc welded using GTAW and GMAW. However, most of the alloys in the 2XXX and 7XXX series cannot be arc welded. The only arc weldable alloys in the 2XXX series are 2219 and 2519. Almost all of the other 2XXX alloys will crack severely when welded. Similarly, the only alloys in the 7XXX family that can be arc welded are 7003, 7004, 7005 and 7039.
There are two aspects that make general aluminum welding different from welding steel in the shipbuilding industry, and both are related to the fact that much of the welding is performed outdoors:
Storage of 5083 aluminium plate for boat building industry and extrusions is critical to avoid oxidation,Extra care must be taken to avoid breezes in the welding area.