Comparative Characteristics and Applications of Aluminium

Alloy

Characteristics and Uses
1350

Commercially pure, very ductile in extruded condition. Excellent resistance to corrosion. Excellent electrical conductivity.

Typical uses: Mouldings, lightly stressed and decorative assemblies in architecture and transport, chemical, food and brewing equipment, heat exchangers.

Available forms: Simple shapes.

6060

Suitable for intricate sections of light and medium strength. Forms well in T4 temper. High corrosion resistance, good surface finish, anodises well.

Typical uses: Architectural extrusions such as glazing bars, window frames and general purpose extrusions.

Available forms: All shapes. tubing, rod.

6106

Light structural alloy. Designed to provide an optimum combination of mechanical properties, complexity of shape, minimum section thickness and good surface finish. Good corrosion resistance, weldability and formability.

Typical uses: Light structural applications, lwhere surface finish is important. Marine, Transport applications.

Available forms: Thinner structural shapes, rod, bar and tubing.

6005A

Medium structural alloy. Good extrusion characteristics with good surface finish.

Typical uses: Medium structural applications where surface finish is important. Marine, Transport applications.

Available forms:Structural shapes of all types, rod, bar and tube, offered in the T5 temper.

6261

Special purpose structural alloy. Good surface finish and corrosion resistance. Good formability in T4 temper. Good weldability.

Typical uses: Structural applications where surface finish is important . Marine, Transport applications.

Available forms: Structural shapes of all types, rod, bar and tube, offered in the T6 temper.

6082

Recommended alloy for structural purposes. Good strength and general corrosion resistance. Good weldability.

Typical uses: Vehicles, bridges, roof trusses and general structural applications.

Available forms: Structural shapes of all types, rod, bar and tube, offered in the T6 temper.

2011

Free machining alloy of medium strength giving fragmented chips. Not suitable for anodising or welding.

Typical uses: Automatic lathe products, suitable for high speed repetitive machining.

Available forms: Rod

Description of Tempers

F Extrusions as fabricated
O Extrusions annealed
   
T1 Cooled from elevated temperature then naturally aged
T4 Solution heat treated then naturally aged
T5 Cooled from elevated temperature then artificially aged
T6 Solution heat treated then artificially aged