EN AW-6082 T6 vs S355
S355 is about three times as stiff as EN AW-6082 T6. It is about three times as dense. Per unit mass they are about equally stiff (25.93 and 26.75 MJ/kg). Strength: f_o = 250 MPa for EN AW-6082 T6, f_y = 355 MPa for S355.
Side by side
ratio = S355 / EN AW-6082 T6 · log scale| Property | EN AW-6082 T6 | S355 | Unit | Ratio | ¼×1×4× |
|---|---|---|---|---|---|
| E Young's modulus | 70 | 210 | GPa | 3× | |
| G Shear modulus | 27 | 81 | GPa | 3× | |
| ν Poisson's ratio | 0.3 | 0.3 | – | 1× | |
| ρ Density | 2700 | 7850 | kg/m³ | 2.91× | |
| α Coefficient of thermal expansion | 23 | 12 | 10⁻⁶/K | 0.522× | |
| λ Thermal conductivity | 170 | 53.33 | W/(m·K) | 0.314× | |
| c_p Specific heat capacity | — | 439.8 | J/(kg·K) | — | |
| σ_e Electrical conductivity | 24 | — | MS/m | — | |
| f_y Yield strength (R_eH / R_p0.2) | — | 355 | MPa | — | |
| f_u Tensile strength (R_m) | 290 | 470 | MPa | 1.62× | |
| f_u,max Tensile strength, upper limit | — | 630 | MPa | — | |
| f_o 0.2 % proof strength | 250 | — | MPa | — | |
| f_o,haz 0.2 % proof strength in the heat-affected zone | 125 | — | MPa | — | |
| f_u,haz Tensile strength in the heat-affected zone | 185 | — | MPa | — | |
| f_y (T3.1) Yield strength, EN 1993-1-1 Table 3.1 | — | 355 | MPa | — | |
| f_u (T3.1) Tensile strength, EN 1993-1-1 Table 3.1 | — | 490 | MPa | — | |
| E/ρ Specific stiffness E/ρ · derived | 25.93 | 26.75 | MJ/kg | 1.03× | |
| c₀ Bar wave speed √(E/ρ) · derived | 5092 | 5172 | m/s | 1.02× | |
| f/ρ Specific strength f/ρ · derived | 92.59 | 45.22 | kJ/kg | 0.488× |
Values at the first thickness band or product form of each material (EN 1999-1-1 · t ≤ 5 mm · EP/O, EP/H, ET; EN 10025-2 · t ≤ 16 mm). 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.