Juglans nigra
Known also as American walnut.
Where it grows
Walnut grows throughout Eastern USA, but main region is the Central States.
| Appearance | ||
|---|---|---|
| Sapwood | creamy white |  |
| Heartwood |
light brown to dark brown |
|
| Grain | straight | |
| Height |
70-130 ft with diameter 2'-6' |
|
| Properties | |
|---|---|
| Average weight at 12% M.C ( kg/m³) | 609 |
| Specific gravity at 12 % M.C. | 0,55 |
| Average Volumetric Shrinkage Green to 6 % M.C (%) | 10,2 |
| Crushing strength |
moderate |
| Bending strength | moderate |
| Modulus of Elasticity (Mpa) | 11,584 |
| Hardness (N) | 4492 |
| Processing | |
|---|---|
|
« Poor
Good »
| |
| Drying |  |
| Machining | |
| Wood Bending | |
| Gluing | |
| Nailing | |
| Finishing | |
End Uses
Joinery, panelling, flooring, doors, cabinets, furniture and architectural interiors.
Remarks
Black walnut is a tough hard timber of medium density and it is one of the most durable woods even under conditions favourable to decay. It can be supplied steamed or unsteamed. Walnut is planted as well as naturally regenerated.
