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5083 Aluminum Alloy marine bars

Last Updated: 2023-10-01

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The 5083 aluminum alloy is a high-magnesium alloy with good strength in the non-heat treatable alloy, and good corrosion resistance and machinability. The surface is beautiful after anodizing. The arc welding performance is good. The main alloying element in the 5083 alloy is magnesium, which has good corrosion resistance and weldability, as well as moderate strength. Excellent corrosion resistance makes the 5083 alloy widely used in marine applications such as ships, as well as in automobiles, aircraft welding parts, subway light rails, pressure vessels that require strict fire protection (such as liquid tankers, refrigerated trucks, refrigerated containers), refrigeration units, TV towers, Drilling equipment, transportation equipment, missile parts, armor, etc.

Chemical Composition

Aluminum Al: balance

Silicon Si: 0.4

Copper Cu : 0.1

Magnesium Mg: 4.0--4.9

Zinc Zn: 0.25

Manganese Mn: 0.40--0.10

Titanium Ti : 0.15

Chromium Cr: 0.05--0.25

Iron Fe: 0.4

Single: 0.05

Total: 0.15

Mechanical Property

Tensile strength σb (MPa): 110-136

Elongation δ10 (%): ≥20

The annealing temperature was 415 °C.

Yield strength σs (MPa) ≥110

Sample blank size All wall thickness

Elongation δ5 (%) ≥12

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