Aluminum 5086

Principal Design Features

This is a high strength structural alloy. It is not heat treatable.

Applications

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

Machinability

Machinability in the strain hardened tempers (H34, H36, H38) is relatively good. In the annealed (O temper) machining is difficult, but still can be accomplished. Use of lubricants is advised.

Forming

Forming characteristics are best with the alloy in the O temper — less good in the H36 or H38 tempers.

Welding

This alloy is readily weldable by conventional methods. Use of electric arc welding in particular produces excellent results.

Heat Treatment

The alloy is non-heat treatable.

Forging

No specific data as to hot working range. However the alloy is forgeable.

Hot Working

No data in regard to hot forming. Cold forming characteristics are excellent and usually would not necessitate hot working.

Cold Working

Excellent cold working characteristics in the O temper and somewhat less good in H36 and H38 tempers.

Annealing

Anneal at 650 F for long enough to insure thorough heating. Air cool.

Aging

Not applicable to this alloy.

Tempering

Not applicable.

Hardening

Hardens by cold working only.

Other Physical Properties

Electrical conductivity 30% of copper.

Other Mechanical Properties

Shear strength for O temper is 23 ksi, for H34 it is 27 ksi

Density: 0.096

Specific Gravity: 2.66

Melting Point: 1090

MoETensile: 10.3

 

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