Green density
Average value
673 kg/m³
Total degree of shrinkage
axial
0,5 %
radial
5,4 %
tangential
7,5 %
Differential swelling
radial
0,19 %%
tangential
0,29 %%
Other characteristics
Thermal conductivity
0,14 - 0,15 W/mK
Equilibrium of moisture
content (20°/37%)
content (20°/37%)
6,7 %
Equilibrium of moisture
content (20°/83%)
content (20°/83%)
14,8 %
Elastic properties
Flexural modulus of elasticity
11850 N/mm²
Strength properties
Flexural strength
133 N/mm²
Tensile strength
100 N/mm²
Compression strength
58 - 72 N/mm²
Natural durability
Fungi
3, moderately durable
Anobium
S, susceptible
Treatability
Heartwood
3, non-permeable
Sapwood
1, highly permeable
Characteristic values determined from wood samples with a moisture content of 12%.
Since many years, the Walnut Tree (Juglans regia) and the Black Walnut (Juglans nigra) have been one of the most sough-after types of trees for the manufacture of furniture and for sawing or slicing veneers.
They produce noble, dark-brown timber which can be processed into high-quality products.
They produce noble, dark-brown timber which can be processed into high-quality products.