Aluminium copper alloy
2017 Aluminium alloy has copper, iron, magnesium, manganese and silicon as main alloying elements. [1]
Chemical composition
| Element [1]
|
Content (%)
|
| Aluminum
|
91.5 - 95.5
|
| Copper
|
3.5 - 4.5
|
| Iron
|
0.7 max
|
| Manganese
|
0.4 - 1
|
| Magnesium
|
0.4 - 0.8
|
| Silicon
|
0.2 - 0.8
|
| Zinc
|
0.25 max
|
| Titanium
|
0.15 max
|
| Chromium
|
0.1 max
|
| Remainder (each)
|
0.05 max
|
| Remainder (total)
|
0.15 max
|
Mechanical properties
| Properties [1]
|
Values
|
| Tensile strength (annealed)
|
179 MPa
|
| Yield strength (annealed)
|
69 MPa
|
| Elongation (annealed)
|
22%
|
| Elastic modulus
|
72 GPa
|
| Shear strength (annealed)
|
124 MPa
|
Thermal properties
| Thermal Properties [2]
|
Values
|
| CTE, linear 68°F
|
23.6 μm/m-°C
|
| Specific Heat Capacity
|
0.88 J/g-°C
|
| Thermal Conductivity
|
134 W/m-K
|
| Melting Point
|
513 - 641 °C
|
Aluminium alloy table
References