Aluminum 5083

Principal Design Features

This is a non-heat treatable alloy for strengthening. It has very good corrosion resistance, is easily welded and does have good strength.

Applications

Commonly used in the manufacture of unfired, welded pressure vessels, marine, auto aircraft cryogenics, drilling rigs, TV towers, transportation equipment, and in missile components.

Machinability

No specific data. However the alloy is machinable by conventional means.

Forming

Forming characteristics are good for either hot or cold working.

Welding

Weldability of this alloy is very good by conventional means. When filler rod is required it should be the same alloy, 5083.

Heat Treatment

This is a non-heat treatable alloy.

Forging

Forging may be done in the range of 850 to 750 F.

Hot Working

Hot forming, when sever deformation is required, may be done at 400 F or higher to 700 F.

Cold Working

AL 5083 is readily cold worked by conventional methods. In the annealed (O temper) condition plate of 0.250 ” thick can be bent on 1.5 T radius.

Annealing

Annealing may be done at 650 F for sufficient time for thorough heating, followed by air cooling.

Aging

Not applicable to this alloy.

Tempering

Not applicable.

Hardening

Hardening is accomplished by means of cold working only.

Other Physical Properties

Electrical conductivity 28% of copper.

Other Mechanical Properties

Shear strength in O temper is 25 ksi.

Density: 0.096

Specific Gravity: 2.66

Melting Point: 1070

Poissons Ratio: 0.33

MoETensile: 10.3

MoETorsion: 3.8

 

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