AA Standard Grade 7275: Key Mechanical & Thermal Properties of 7000 Series Aluminium
Properties
General
| Property | Value | Comment |
|---|---|---|
Density | 2.7 - 2.85 g/cm³ | Typical for Wrought 7000 Series Aluminium |
Mechanical
| Property | Value | Comment |
|---|---|---|
Elastic modulus | 69.0 - 72.0 GPa | Typical for Wrought 7000 Series Aluminium |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 7000 Series Aluminium |
Poisson's ratio | 0.33 [-] | Typical for Wrought 7000 Series Aluminium |
Shear modulus | 26.4 - 27.1 GPa | Typical for Wrought 7000 Series Aluminium |
Thermal
| Property | Value | Comment |
|---|---|---|
Coefficient of thermal expansion | 2.1e-05 - 2.4e-05 1/K | Typical for Wrought 7000 Series Aluminium |
Melting point | 465.0 - 655.0 °C | Typical for Wrought 7000 Series Aluminium |
Specific heat capacity | 795.0 - 1050.0 J/(kg·K) | Typical for Wrought 7000 Series Aluminium |
Thermal conductivity | 121.0 - 170.0 W/(m·K) | Typical for Wrought 7000 Series Aluminium |
Electrical
| Property | Value | Comment |
|---|---|---|
Electrical conductivity | 18000000.0 - 34000000.0 S/m | Typical for Wrought 7000 Series Aluminium |
Electrical resistivity | 2.9e-08 - 5.6e-08 Ω·m | Typical for Wrought 7000 Series Aluminium |
Chemical properties
| Property | Value | Related Standards |
|---|---|---|
Chromium | 0.18 - 0.4 % | AA Standards |
Copper | 1.2 - 2.0 % | AA Standards |
Magnesium | 2.1 - 2.9 % | AA Standards |
Manganese | 0.3 % | AA Standards |
Titanium | 0.1 % | AA Standards |
Zinc | 5.1 - 6.1 % | AA Standards |
Technological properties
| Property | ||
|---|---|---|
| Brazing | Excellent | |
Metal
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