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 D60UnitRatio¼×1×4×
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.