AA 2218 T7 – Standard Grade Wrought Aluminium
Properties
General
| Property | Value | Comment |
|---|---|---|
Density | 2.75 - 2.84 g/cm³ | Typical for Wrought 2000 Series Aluminium |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 70.0 - 73.0 GPa | Typical for Wrought 2000 Series Aluminium | ||
Hardness, Brinell | 95.0 [-] | T7 | AA Standards | |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 2000 Series Aluminium | ||
Poisson's ratio | 0.33 [-] | Typical for Wrought 2000 Series Aluminium | ||
Shear modulus | 26.0 - 27.5 GPa | Typical for Wrought 2000 Series Aluminium | ||
Tensile strength | 330.0 MPa | T7 | AA Standards |
Thermal
| Property | Value | Comment |
|---|---|---|
Coefficient of thermal expansion | 1.6e-05 - 2.4e-05 1/K | Typical for Wrought 2000 Series Aluminium |
Melting point | 500.0 - 650.0 °C | Typical for Wrought 2000 Series Aluminium |
Specific heat capacity | 816.0 - 963.0 J/(kg·K) | Typical for Wrought 2000 Series Aluminium |
Thermal conductivity | 112.0 - 251.0 W/(m·K) | Typical for Wrought 2000 Series Aluminium |
Electrical
| Property | Value | Comment |
|---|---|---|
Electrical conductivity | 18000000.0 - 30000000.0 S/m | Typical for Wrought 2000 Series Aluminium |
Electrical resistivity | 3.4e-08 - 6e-08 Ω·m | Typical for Wrought 2000 Series Aluminium |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Chromium | 0.1 % | T7 | AA Standards |
Copper | 3.5 - 4.5 % | T7 | AA Standards |
Iron | 1.00 % | T7 | AA Standards |
Magnesium | 1.2 - 1.8 % | T7 | AA Standards |
Manganese | 0.2 % | T7 | AA Standards |
Nickel | 1.7 - 2.3 % | T7 | AA Standards |
Silicon | 0.9 % | T7 | AA Standards |
Zinc | 0.25 % | T7 | AA Standards |
Technological properties
| Property | ||
|---|---|---|
| Brazing | general: no brazing is known or developed | |
| Corrosion properties | Stress corrosion cracking: Operational damage in areas with tensile stresses transverse to the grain structure, limited damage to laboratory samples, general: sufficient, in principle it should be protected | |
| Workability | Moderate Workability | |
Metal
- AA Standards Grade 7122 – Aluminium Alloy Specifications & Properties
- AA 7068 Aluminium Alloy Standard – Key Properties & Specifications
- AA Standards Grade 3105A – Key Mechanical & Thermal Properties
- AA 2041 Aluminium Standard – Mechanical & Thermal Properties
- AA Standards Grade 2044 – Detailed Mechanical & Thermal Properties
- AA 6560 T5 Aluminum Alloy: Comprehensive Standards & Mechanical Properties
- AA 6560 T6 Aluminium Alloy: Key Mechanical Properties & Standards
- AA Standards Grade 2038 T4 – Comprehensive Mechanical & Physical Properties
- AA 6009 T4 Aluminium Standard: Properties & Performance
- AA Standards Grade 2218 T61: Wrought 2000 Series Aluminium Specifications