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Alloys

Note: Rated in decreasing order of merit (1 = lowest)

2011

Machining alloy used for parts produced on repetition machines.
machineable corrosion resistant anodisable formable weldable rolled / extended
1 4 4 3 4 E

3003

Chemical equipment, sheet metal work, rigid foil, containers & closures.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 3 2 1 R

5005

General purpose alloy for sheet metal work. Can be welded.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 2 1 1 R

5052

Medium strength alloy with good ductility. Suitable for welding with high corrosion resistance particular for marine applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 3 1 1 R

5083

High strength alloy used in transport, marine and structural applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
2 1 3 2 1 R

5251

Medium strength alloy with good ductility. Suitable for welding with high corrosion resistance particular for marine applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 3 1 1 R

6005

Good stength for structural applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
2 1 3 2 1 E

6060

The most commonly used extrusion alloy. Used for all architectural applications, light duty structural framework. Can also be chemically brightened for moulds and trims.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 1 1 1 E

6061

Structural application where strength and corrosion resistance is needed. Transport applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
2 1 3 2 1 E

6063

The most commonly used extrusion alloy. Used for all architectural applications, light duty structural framework. Can also be chemically brightened for moulds and trims.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 1 1 1 E

6082

For structural applications. Simular to 6061 with higher mechanical properties.
machineable corrosion resistant anodisable formable weldable rolled / extended
2 1 2 2 1 E

6106

A medium strength alloy. Used for architectural applications where additional strength is required and for structural applications not involving welding.
machineable corrosion resistant anodisable formable weldable rolled / extended
3 1 1 2 1 E

6351

Structural application where strength and corrosion resistance is needed. Transport applications.
machineable corrosion resistant anodisable formable weldable rolled / extended
2 1 3 2 1 E
temper code description
T1 Cooled from an elevated temperature shaping process and naturally aged to a substantially stable condition.
T2 Cooled from an elevated temperature shaping process, cold worked and naturally aged to a substantially stable condition.
T3 Solution heat treated, cold worked and naturally aged to a substantially stable condition.
T4 Solution heat treated and naturally aged to a substantially stable condition.
T5 Cooled from an elevated temperature shaping process then artificially aged.
T6 Solution heat treated then artificially aged.
T7 Solution heat treated and overaged/stablilized.
T8 Solution heat treated, cold worked, then artificially aged.
T9 Solution heat treated, artificially aged, then cold worked.
T10 Cooled from an elevated temperature shaping process, cold worked, then artificially aged.
hardening code description
H1 Strain hardened only.
H2 Strain hardened and partially annealed.
H3 Strain hardened and stabilized.
H4 Strain hardened and lacquered or painted. This assumes that thermal affects from the coating process affect the strain hardening; seldom encounted.

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