to Wrought aluminum-zinc-magnesium alloys (7xxx)
to Properties of aluminum alloys
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| Wrought aluminum-zinc-magnesium alloy 7005 | ||||
| Chemical composition: Mn=0.45%, Mg=1.4%, Cr=0.13%, Zn=4.5%, Zr=0.14%, Al balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.78 *10³ | kg/m³ | 174 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 721 | GPa | 10400 | ksi |
| Thermal expansion (20 ºC) | 23.6*10-6 | ºCˉ¹ | 13.1*10-6 | in/(in* ºF) |
| Specific heat capacity | 875 | J/(kg*K) | 0.209 | BTU/(lb*ºF) |
| Thermal conductivity | 166 | W/(m*K) | 1150 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 4.0*10-8 | Ohm*m | 4.0*10-6 | Ohm*cm |
| Tensile strength (annealed) | 195 | MPa | 28300 | psi |
| Yield strength (annealed) | 80 | MPa | 11600 | psi |
| Elongation (annealed) | 20 | % | 20 | % |
| Shear strength (annealed) | 120 | MPa | 17400 | psi |
| Hardness (annealed) | 53 | HB | 53 | HB |
| Tensile strength (T6, T63) | 350 | MPa | 50800 | psi |
| Yield strength (T6, T63) | 290 | MPa | 42100 | psi |
| Elongation (T6, T63) | 13 | % | 13 | % |
| Shear strength (T6, T63) | 215 | MPa | 31200 | psi |
| Fatigue strength (T6, T63) | 150 | MPa | 21800 | psi |
| Hardness (T6, T63) | 94 | HB | 94 | HB |
| Annealing temperature | 343 | ºC | 650 | ºF |
| Solution temperature | 399 | ºC | 750 | ºF |