Aluminum 7000 Series
Aluminum 7075 is known for its excellent corrosion resistance, high ductility and highly reflective finish.
7075
Chemical Compositions
Element
% Percentage
-
Manganese (Mn) :
0.0 – 0.3 %
-
Iron (Fe) :
0.0 – 0.5 %
-
Copper (Cu) :
1.2 – 2.0 %
-
Magnesium (Mg) :
2.1 – 2.9 %
-
Silicon (Si) :
0.0 – 0.4 %
-
Zinc (Zn) :
5.1 – 6.1 %
-
Titanium (Ti) :
0.0 – 0.2 %
-
Chromium (Cr) :
0.18 – 0.28 %
-
Residuals :
0.0 – 0.15 %
-
Aluminium (Al) :
86.9 – 91.4 %
Mechanical Properties
| Property | Value |
|---|---|
| Elastic (Young's, Tensile) Modulus | 70 GPa |
| Elongation at Break | 1.8 – 12 % |
| Fatigue Strength | 110 – 190 MPa |
| Poisson's Ratio | 0.32 |
| Shear Modulus | 26 GPa |
| Shear Strength | 150 – 340 MPa |
| Tensile Strength: Ultimate (UTS) | 240 – 590 MPa |
| Tensile Strength: Yield (Proof) | 120 – 510 MPa |
| Brinell Hardness | - |
Thermal Properties
| Property | Value |
|---|---|
| Latent Heat of Fusion | 380 J/g |
| Maximum Temperature: Mechanical | 200 °C |
| Melting Completion (Liquidus) | 640 °C |
| Melting Onset (Solidus) | 480 °C |
| Specific Heat Capacity | 870 J/kg–K |
| Thermal Conductivity | 130 W/m–K |
| Thermal Expansion | 23 µm/m–K |