AA Standards Grade 2124 T851: Key Mechanical Properties and Specifications
Properties
General
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Density | 2.78 g/cm³ | T851 | AA Standards, ASTM B209 |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 73.0 GPa | T851 | AA Standards, ASTM B209 | |
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 | 400.0 MPa | T851 | AA Standards, ASTM B209 | |
420.0 MPa | T851 | AA Standards, ASTM B209 | ||
425.0 MPa | T851 | AA Standards, ASTM B209 | ||
435.0 MPa | T851 | AA Standards, ASTM B209 | ||
440.0 MPa | T851 | AA Standards, ASTM B209 | ||
450.0 MPa | T851 | AA Standards, ASTM B209 | ||
455.0 MPa | T851 | AA Standards, ASTM B209 | ||
485.0 MPa | T851 | AA Standards |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.2899999999999998e-05 1/K | T851 | AA Standards, ASTM B209 | |
100 °C | 2.2899999999999998e-05 1/K | T851 | AA Standards, ASTM B209 | ||
Melting point | 500.0 - 635.0 °C | T851 | AA Standards, ASTM B209 | ||
Specific heat capacity | 816.0 - 963.0 J/(kg·K) | Typical for Wrought 2000 Series Aluminium | |||
Thermal conductivity | 152 W/(m·K) | T851 | AA Standards, ASTM B209 |
Electrical
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Electrical conductivity | 22000000.0 S/m | T851 | AA Standards, ASTM B209 |
Electrical resistivity | 4.55e-08 Ω·m | T851 | AA Standards, ASTM B209 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Chromium | 0.1 % | T851 | AA Standards, ASTM B209 |
Copper | 3.8 - 4.9 % | T851 | AA Standards, ASTM B209 |
Iron | 0.30 % | T851 | AA Standards, ASTM B209 |
Magnesium | 1.2 - 1.8 % | T851 | AA Standards, ASTM B209 |
Manganese | 0.3 - 0.9 % | T851 | AA Standards, ASTM B209 |
Silicon | 0.2 % | T851 | AA Standards, ASTM B209 |
Titanium | 0.15 % | T851 | AA Standards, ASTM B209 |
Zinc | 0.25 % | T851 | AA Standards, ASTM B209 |
Technological properties
| Property | ||
|---|---|---|
| Brazing | general: no brazing is known or developed | |
| Corrosion properties | Stress corrosion cracking: no damage during operation, limited damage during laboratory tests, general: sufficient, in principle it should be protected | |
| General machinability | General: good to acceptable | |
| Workability | general (condition): not suitable | |
Metal
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- AA 2024 T851 Aluminum Alloy – Superior Strength for Aerospace Applications
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