|
Aluminium alloy, can be hardened |
go back |
|
Aluminium alloy, can be hardened
Material No. |
EN AW-7022 |
DIN material No. |
3.4345 |
Abbreviation |
AlZn5Mg3Cu |
Description |
Aluminium alloy, can be hardened |
Composition Alloy constituents [%] |
Zn: 4.3 – 5.2 Mg: 2.6 – 3.7 Cu: 0.5 – 1.0 |
Density [g/cm³] |
2.78 |
Yield point Rp0.2 [N/mm²] min. – max. |
330 – 380 |
Tensile strength Rm [N/mm²] min. – max. |
420 – 460 |
Elongation after fracture A [%] min. – max. |
7 |
Brinell hardness HB reference value |
140 |
Corrosion resistance in normal atmosphere |
Moderate |
Corrosion resistance in coastal atmosphere |
Poor |
Machinability |
Very good |
Weldability |
Good – moderate |
Anodising capability |
Good (corrosion protection) Moderate (decorative) |
High-gloss polishing, mechanical |
- |
Main uses |
Components subject to extremely high levels of stress in machine construction and aeronautical engineering |
|
This information is for reference only; we do not assume any liability for its accuracy. The properties of metal materials are highly dependent on their thermal and/or mechanical treatment. |
Back to overview |
|
|
|
Availability Here you can check item's availability. |
|