Aluminium round bar, manufactured in alloy 6063 T5, an alloy with medium mechanical characteristics, very good corrosion resistance and excellent suitability for anodising.
Aluminium round bar, manufactured in alloy 6063 T5, an alloy with medium mechanical characteristics, very good corrosion resistance and excellent suitability for anodising.
The Ø8 extruded aluminium round bar is made of EN AW 6063 alloy. An aluminium alloy belonging to the 6000 family, with magnesium and silicon as the main alloying elements.
This alloy combines good machinability with good corrosion resistance, which can be improved by anodising, as well as medium-high mechanical characteristics.
This aluminium alloy has the following composition under standard EN 573-3:
|
|
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Others |
Al |
|
|
Indiv. |
Total |
||||||||||
|
min. |
0.20 |
– |
– |
– |
0.45 |
– |
– |
– |
|
|
|
|
max. |
0.60 |
0.35 |
0.10 |
0.1 |
0.9 |
0.10 |
0.10 |
0.1 |
0.05 |
0.15 |
Rest |
Bars manufactured in alloy 6063 are supplied in the T5 treatment state.
Their mechanical properties are as follows, in accordance with standard EN 755-2:
|
Condition |
Main measurement mm |
Rm MPa |
Rp0.2 MPa |
A min. |
A50 mm min. |
HBW hardness |
||
|
min. |
Max. |
min. |
Max. |
|||||
|
T5 |
≤ 200 |
175 |
– |
130 |
– |
8 |
6 |
65 |
The EN AW 6063 alloy has the following physical properties:
|
Elastic modulus |
Coefficient of expansion per °C (20°-100°C) |
Thermal conductivity |
Resistivity µW·cm(2) /cm |
|
|
W/mK |
Cal/cm·s·°C |
|||
|
68,600 MPa |
23.5 x10⁻⁶ |
209 |
0.50 |
3.1 |
The general behaviour of the EN AW 6063 aluminium alloy is as follows in the areas listed below:
– Corrosion resistance: Very good.
– Weldability: Good.
– Machinability: Good.
– Formability: Good.
– Suitability for anodising: Very good.
The classification is made in the following range: excellent, very good, good, fair and poor.
The main applications of the EN AW 6063 alloy are as follows:
– Parts of medium complexity and decorative applications, taking advantage of its excellent suitability for both decorative and protective anodising.