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Aluminum Alloy 5083 H116

Product Description Alloy 5083 is a non-heat-treatable 4½% magnesium, 0.15% chromium, 0.7% manganese alloy commonly available in flat rolled plate from a range of producing mills. Like all the 5000-series high magnesium alloys 5083 achieves a high strength by cold working, enabling a series of...

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Product Description
 Alloy  5083 is a non-heat-treatable 4½% magnesium, 0.15% chromium, 0.7% manganese  alloy commonly available in flat rolled plate from a range of producing mills.  Like all the 5000-series high magnesium alloys 5083 achieves a high strength by  cold working, enabling a series of “H” tempers; 5083 is the highest strength of  any of these alloys. Alloy 5083 is best known as a plate for ship building.
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 Corrosion  Resistance:
 Excellent  in a wide range of atmospheric environments, in food processing and  architectural applications. The principal application for 5083 is marine  environments.
 The  magnesium content is more than 3½% Mg, so this alloy can be susceptible to  stress corrosion cracking, which limits its application temperature to below  65°C and also limits the amount of cold work to ¼ Hard.
   

Applications:

  • LNG ship construction

  • Pressure vessels

  • Storage tanks

  • Welded structures (high strength)

  • Armor plate

  • Drilling rigs

Chemical Composition:

Chromium:

0.05%-0.25%

Copper:  

0.1% (Max)

Magnesium:

4.0%-4.9%

Manganese:

0.4%-1.0%

Silicon:  

0.4% (Max)

Zinc:  

0.25% (Max)

Aluminum:

92.4%-95.6%

Temper Types:
The most common tempers for 5083 aluminium  are:

  • O - Soft

  • H111 - Some work hardening imparted by shaping processes but less than required for H11 temper

  • H32 - Work hardened by rolling then stabilised by low-temperature heat treatment to quarter hard


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