Aluminium sheet made in EN AW 5083 H321 alloy, an alloy with high mechanical strength and excellent corrosion resistance, as well as good weldability. In its H321 state, its corrosion resistance is increased, making it ideal for use in the naval industry. Available with naval certification. Please consult our sales department for specific specifications.
This aluminium sheet with 6 mm. thickness is made in alloy 5083 H321 wich main features are these ones:
The EN AW 5083 aluminium alloy has the following composition under standard EN 573-3:
|
|
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zi |
Ti |
Others |
Al |
|
|
Indiv. |
Total |
||||||||||
|
min |
|
|
|
0.40 |
4.00 |
0.05 |
|
|
|
|
|
|
max. |
0.40 |
0.40 |
0.10 |
1.00 |
4.90 |
0.25 |
0.25 |
0.15 |
0.05 |
0.15 |
Rest |
The mechanical properties of EN AW 5083 H321 alloy sheets, depending on their thickness and in accordance with standard EN 485-2, are as follows:
|
Condition |
Nominal thickness mm |
Rm MPa |
Rp0.2 MPa |
A50 mm Min. |
A min. % |
Bending radius* |
HBW hardness* |
||||
|
Greater than |
up to |
min. |
max. |
min. |
max. |
180º |
90 |
||||
|
H321 |
≥1.5 |
3.0 |
305 |
385 |
215 |
|
8 |
|
3.0t |
2.0t |
89 |
|
3.0 |
6.0 |
305 |
385 |
215 |
|
10 |
|
|
2.5t |
89 |
|
|
6.0 |
12.5 |
305 |
385 |
215 |
|
12 |
|
|
4.0t |
89 |
|
|
12.5 |
40.0 |
305 |
385 |
215 |
|
|
10 |
|
|
89 |
|
|
40.0 |
80.0 |
285 |
385 |
200 |
|
|
10 |
|
|
83 |
|
*Reference values for informational purposes only.
This treatment ensures that there are no signs of exfoliation corrosion after undergoing an accelerated exfoliation corrosion susceptibility test in accordance with ASTM G66-86.
The EN AW 5083 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 |
24 x 10-6 |
117 |
0.28 |
5.9 |
The general behaviour of the EN AW 5083 aluminium alloy is as follows in the areas listed below:
– Corrosion resistance: Excellent.
– Weldability: Very good.
– Formability: Good.
– Suitability for anodising: Good.
– Machinability: Fair.
The classification is made in the following range: excellent, very good, good, fair and poor.
The main applications of the EN AW 5083 alloy are as follows:
– Components for the shipbuilding industry, thanks to its excellent corrosion resistance and weldability.
