EN AW-5083 H12/H22/H32 vs EN AW-7020 T6
EN AW-7020 T6 and EN AW-5083 H12/H22/H32 are about equally stiff. Their densities are about the same. Per unit mass they are about equally stiff (25.93 and 25.93 MJ/kg). Strength: f_o = 200 MPa for EN AW-5083 H12/H22/H32, f_o = 290 MPa for EN AW-7020 T6.
Side by side
ratio = EN AW-7020 T6 / EN AW-5083 H12/H22/H32 · log scale| Property | EN AW-5083 H12/H22/H32 | EN AW-7020 T6 | Unit | Ratio | ¼×1×4× |
|---|---|---|---|---|---|
| E Young's modulus | 70 | 70 | GPa | 1× | |
| G Shear modulus | 27 | 27 | GPa | 1× | |
| ν Poisson's ratio | 0.3 | 0.3 | – | 1× | |
| ρ Density | 2700 | 2700 | kg/m³ | 1× | |
| α Coefficient of thermal expansion | 23 | 23 | 10⁻⁶/K | 1× | |
| λ Thermal conductivity | 110 | — | W/(m·K) | — | |
| σ_e Electrical conductivity | 16 | — | MS/m | — | |
| f_u Tensile strength (R_m) | 280 | 350 | MPa | 1.25× | |
| f_o 0.2 % proof strength | 200 | 290 | MPa | 1.45× | |
| f_o,haz 0.2 % proof strength in the heat-affected zone | 135 | 205 | MPa | 1.52× | |
| f_u,haz Tensile strength in the heat-affected zone | 270 | 280 | MPa | 1.04× | |
| E/ρ Specific stiffness E/ρ · derived | 25.93 | 25.93 | MJ/kg | 1× | |
| c₀ Bar wave speed √(E/ρ) · derived | 5092 | 5092 | m/s | 1× | |
| f/ρ Specific strength f/ρ · derived | 74.07 | 107.4 | kJ/kg | 1.45× |
Values at the first thickness band or product form of each material (EN 1999-1-1 · t ≤ 10 mm · DT; EN 1999-1-1 · t ≤ 15 mm · EP, ET, ER/B). A minimum and a characteristic value are not the same kind of number — read the ratio as a guide. Each material's page lists every band and every source.