C24 vs C35
C35 is 1.2 times as stiff as C24. It is 1.1 times as dense. Per unit mass they are about equally stiff (26.19 and 27.66 MJ/kg). Strength: f_m,k = 24 MPa for C24, f_m,k = 35 MPa for C35.
Side by side
ratio = C35 / C24 · log scale| Property | C24 | C35 | Unit | Ratio | ¼×1×4× |
|---|---|---|---|---|---|
| E₁ Modulus, direction 1 | 11 | 13 | GPa | 1.18× | |
| E₂ Modulus, direction 2 | 0.37 | 0.43 | GPa | 1.16× | |
| E₃ Modulus, direction 3 | 0.37 | 0.43 | GPa | 1.16× | |
| G₁₂ Shear modulus 1-2 | 0.69 | 0.81 | GPa | 1.17× | |
| G₁₃ Shear modulus 1-3 | 0.69 | 0.81 | GPa | 1.17× | |
| E₀,₀₅ Modulus parallel to grain, 5 % fractile | 7.4 | 8.7 | GPa | 1.18× | |
| ρ Density | 420 | 470 | kg/m³ | 1.12× | |
| ρ_k Density, characteristic (5 % fractile) | 350 | 390 | kg/m³ | 1.11× | |
| f_m,k Bending strength | 24 | 35 | MPa | 1.46× | |
| f_t,0,k Tension parallel to grain | 14.5 | 22.5 | MPa | 1.55× | |
| f_t,90,k Tension perpendicular to grain | 0.4 | 0.4 | MPa | 1× | |
| f_c,0,k Compression parallel to grain | 21 | 25 | MPa | 1.19× | |
| f_c,90,k Compression perpendicular to grain | 2.5 | 2.7 | MPa | 1.08× | |
| f_v,k Shear strength | 4 | 4 | MPa | 1× | |
| E/ρ Specific stiffness E/ρ · derived | 26.19 | 27.66 | MJ/kg | 1.06× | |
| c₀ Bar wave speed √(E/ρ) · derived | 5118 | 5259 | m/s | 1.03× | |
| f/ρ Specific strength f/ρ · derived | 57.14 | 74.47 | kJ/kg | 1.3× |
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.