Oregon pine, Douglas fir
Pseudotsuga menziesii
Green density
Average value
502 kg/m³
Total degree of shrinkage
axial
0,3 %
radial
4,2 - 4,5 %
tangential
7,4 %
Differential swelling
radial
0,15 %%
tangential
0,27 %%
Other characteristics
Thermal conductivity
0,12 W/mK
Equilibrium of moisture
content (20°/37%)
content (20°/37%)
8,3 %
Equilibrium of moisture
content (20°/83%)
content (20°/83%)
16,1 %
Hardness
Brinell hardness HB,0
50 N/mm²
Brinell hardness HB,90
20 N/mm²
Elastic properties
Flexural modulus of elasticity
12500 N/mm²
Strength properties
Flexural strength
95 N/mm²
Tensile strength
100 N/mm²
Compression strength
50 N/mm²
Natural durability
Fungi
3-4, moderately durable to less durable
Anobium
S, susceptible
Treatability
Heartwood
4, virtually impermeable
Sapwood
3, non-permeable
Characteristic values determined from wood samples with a moisture content of 12%.
