AA 6063 T42 Aluminum Alloy – Standard Grade for Architectural Applications
Aluminum AA 6063 is an architectural alloy that offers users a high resistance to corrosion and excellent finishing characteristics. Easy to extrude with fair machinability, AA 6063 can be both hot and cold formed and is commonly available as T6 temper as well as T4 temper.
Properties
General
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Density | 2.7 g/cm³ | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 69.0 GPa | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 | |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 6000 Series Aluminium | ||
Poisson's ratio | 0.33 [-] | Typical for Wrought 6000 Series Aluminium | ||
Shear modulus | 26.0 - 26.5 GPa | Typical for Wrought 6000 Series Aluminium | ||
Tensile strength | 125.0 MPa | T42 | AA Standards, ASTM B221, ASTM B241, ASTM B345 | |
130.0 MPa | T42 | AA Standards, ASTM B221, ASTM B241, ASTM B345 | ||
150.0 MPa | T42 | AA Standards, ASTM B210, ASTM B483 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.3399999999999996e-05 1/K | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 | |
100 °C | 2.3399999999999996e-05 1/K | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 | ||
Melting point | 615.0 - 655.0 °C | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 | ||
Specific heat capacity | 887.0 - 963.0 J/(kg·K) | Typical for Wrought 6000 Series Aluminium | |||
Thermal conductivity | 193.0 - 218.0 W/(m·K) | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Electrical
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Electrical conductivity | 29000000.0 - 34000000.0 S/m | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Electrical resistivity | 2.94e-08 - 3.45e-08 Ω·m | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Chromium | 0.1 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Copper | 0.1 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Iron | 0.35 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Magnesium | 0.45 - 0.9 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Manganese | 0.1 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Silicon | 0.2 - 0.6 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Titanium | 0.1 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Zinc | 0.1 % | T42 | AA Standards, ASTM B210, ASTM B221, ASTM B241, ASTM B345, ASTM B483 |
Technological properties
| Property | ||
|---|---|---|
| Brazing | general: possible with commercial processes and methods | |
| Corrosion properties | Stress corrosion cracking: no damage during operation and laboratory tests, general: very good, without protection in industrial or seawater atmosphere | |
| General machinability | General: poor (T1, T4), sufficient (T5, T452, T6, T83, T831, T832) | |
| Workability | general (condition): acceptable (T1, T4, T5, T452), poor(T6, T83, T831, T832) | |
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