to Wrought aluminum-copper alloys (2xxx)
to Properties of aluminum alloys
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| Wrought aluminum alloy 2011 | ||||
| Chemical composition: Cu=5.5%, Pb=0.4%, Bi = 0.4% min, Al balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.83 *10³ | kg/m³ | 177 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 70 | GPa | 10200 | ksi |
| Thermal expansion (20 ºC) | 22.9*10-6 | ºCˉ¹ | 12.7*10-6 | in/(in* ºF) |
| Specific heat capacity | 880 | J/(kg*K) | 0.21 | BTU/(lb*ºF) |
| Thermal conductivity | 151 | W/(m*K) | 1050 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 4.49*10-8 | Ohm*m | 4.49*10-6 | Ohm*cm |
| Tensile strength (T3) | 379 | MPa | 55000 | psi |
| Yield strength (T3) | 296 | MPa | 43000 | psi |
| Elongation (T3) | 15 | % | 15 | % |
| Shear strength (T3) | 220 | MPa | 32000 | psi |
| Fatigue strength (T3) | 124 | MPa | 18000 | psi |
| Hardness (T3) | 95 | HB | 95 | HB |
| Tensile strength (T8) | 407 | MPa | 59000 | psi |
| Yield strength (T8) | 310 | MPa | 45000 | psi |
| Elongation (T8) | 12 | % | 12 | % |
| Shear strength (T8) | 241 | MPa | 35000 | psi |
| Fatigue strength (T8) | 124 | MPa | 18000 | psi |
| Hardness (T8) | 100 | HB | 100 | HB |
| Annealing temperature | 413 | ºC | 775 | ºF |
| Solution temperature | 524 | ºC | 975 | ºF |