Aluminum Alloy 6063
▹Applications
Aluminum alloy 6063 is commonly used in architectural applications, interior, and exterior decoration industry. such as window frames, door frames, curtain wall frames, railing, fencing, decking, furniture. Aluminum alloy 6063 is also the most popular aluminum alloy for many industries where high strength is not the most important factor for the product.
▹Chemical Component
Mg and Si are the main alloying elements for 6063 aluminum alloy. The alloy composition of 6063 is
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Zr | Others | Aluminum | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. | 0.2-0.6 | 0.35 | 0.1 | 0.1 | 0.45-0.9 | 0.1 | 0.1 | 0.1 | – | totally 0.15 | reminder |
✣All compositions are in percent.
▹Mechanical Properties
6063 aluminum alloy is a medium-strength heat-tremble strengthening alloy in AL-Mg-Si system. It has excellent processing properties, excellent weldability, extrudability, and electroplating properties, and good Corrosion resistance, toughness, easy polishing, color film, excellent anodizing effect, is a typically extruded alloy. Applications requiring higher strength typically use 6061 or 6082 instead.
The mechanical properties of 6063 aluminum alloy depend greatly on the temper or heat treatment of the material. The most common tempers for 6063 aluminium alloy are:
T5 Condition: Cooled from an elevated temperature and artificially aged.
T6 Condition: Solution heat-treated and artificially aged.
| Aluminium Alloy
& Temper |
Thickness
mm |
Tensile Strength
Rm/Mpa |
Yield Strength
Rp0.2/Mpa |
Elongation
/% |
HBW |
|---|---|---|---|---|---|
| 6063-T5 | ≤3.00 | 175 | 130 | – | 65 |
| >3.00-25.00 | 160 | 110 | 7 | 65 | |
| 6063-T6 | ≤10.00 | 215 | 170 | – | 75 |
| >10.00-25.00 | 195 | 160 | 8 | 75 |
✣The tested value is Min.
▹Physical Properties
Here is the physical property of the aluminum alloy 6063. Note that there is no difference between the T5 and T6 tempers.
| Aluminium Alloy | Thermal Coefficient of Expansion
(20-100℃) μm/m·k Rm/Mpa |
Melting Point (℃) Rp0.2/Mpa |
Conductivity 20℃(68℉) (%IACS) |
Resistivity
20℃(68℉) |
Density (20℃)(g/cm3) Ωmm2/m |
|---|---|---|---|---|---|
| 6063 | 23.4 | 615-655 | 55-63 | 0.033 | 2.7 |
▹Comparation
If you are not clear on 6063T5 and 6063T6 for your application request, please click 6063T5 VS 6063T6 for reference.
If you require higher strength, please consider 6061, and you can check 6061 VS 6063 for the difference between aluminum alloy 6063 and 6061.
If you require 6060, we suggest aluminum alloy 6063 instead. You can check 6060 VS 6063 for details.
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