AlZn5.5MgCu
PERUNAL
Al reste Zn5.1-6.1 Mg2.1-2.9 Cu1.2-2
| Chemical composition |
|---|
Cu1.2-2
Zn5.1-6.1
Fe0.5 max
Mn0.3 max
Si0.4 max
AlBAL
Mg2.1-2.9
Ti0.2 max
Cr0.18-0.28
Other0.15 max
| Alloy name | |
|---|---|
| RLSA no. | 855 |
| EN standard | AW-7075 |
| DIN standard | 3.4365 |
| UNS no.* |
*Unified Numbering System (USA)
Characteristics and main uses
| Physical properties | Units | |
|---|---|---|
| Density (20°C) | 2,81 | Kg/dm³ |
| Melting point | 475-635 | °C |
| Longitudinal elasticity modulus | GPa | |
| Thermal conductivity | W/m·K | |
| Electrical conductivity | 17-20 | m/Ω·mm² |
| Electrical resistivity | 0,052 | µΩ·m |
| Linear expansion Coefficient | 23,5 | 10⁻⁶·K⁻¹ |
| IACS (International Annealed Copper Standard) | 33 | % |
| Poisson's ratio |
| Capabilities | |
|---|---|
| Corrosion resistance | 2 |
| Hot deformation | |
| Cold deformation | 2 |
| Electrodepositing | |
| Diamond cutting | |
| Nitriding | |
| Mechanical polishing | |
| Welding without filler | |
| Brazing | 2 |
1 poor | 2 average | 3 good | 4 very good | - no info