D27 vs D60
D60 is 1.6 times as stiff as D27. It is 1.4 times as dense. Per unit mass D60 is 1.2 times as stiff. Strength: f_m,k = 27 MPa for D27, f_m,k = 60 MPa for D60.
Side by side
ratio = D60 / D27 · log scale| Property | D27 | D60 | Unit | Ratio | ¼×1×4× |
|---|---|---|---|---|---|
| E₁ Modulus, direction 1 | 10.5 | 17 | GPa | 1.62× | |
| E₂ Modulus, direction 2 | 0.7 | 1.13 | GPa | 1.61× | |
| E₃ Modulus, direction 3 | 0.7 | 1.13 | GPa | 1.61× | |
| G₁₂ Shear modulus 1-2 | 0.66 | 1.06 | GPa | 1.61× | |
| G₁₃ Shear modulus 1-3 | 0.66 | 1.06 | GPa | 1.61× | |
| E₀,₀₅ Modulus parallel to grain, 5 % fractile | 8.8 | 14.3 | GPa | 1.62× | |
| ρ Density | 610 | 840 | kg/m³ | 1.38× | |
| ρ_k Density, characteristic (5 % fractile) | 510 | 700 | kg/m³ | 1.37× | |
| f_m,k Bending strength | 27 | 60 | MPa | 2.22× | |
| f_t,0,k Tension parallel to grain | 16 | 36 | MPa | 2.25× | |
| f_t,90,k Tension perpendicular to grain | 0.6 | 0.6 | MPa | 1× | |
| f_c,0,k Compression parallel to grain | 22 | 33 | MPa | 1.5× | |
| f_c,90,k Compression perpendicular to grain | 5.1 | 10.5 | MPa | 2.06× | |
| f_v,k Shear strength | 3.8 | 4.8 | MPa | 1.26× | |
| E/ρ Specific stiffness E/ρ · derived | 17.21 | 20.24 | MJ/kg | 1.18× | |
| c₀ Bar wave speed √(E/ρ) · derived | 4149 | 4499 | m/s | 1.08× | |
| f/ρ Specific strength f/ρ · derived | 44.26 | 71.43 | kJ/kg | 1.61× |
Values at the first thickness band or product form of each material (EN 338:2016; EN 338:2016). 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.