Black Walnut


Juglans nigra

Known also as American walnut.

Where it grows

Walnut grows throughout Eastern USA, but main region is the Central States.


Sapwood creamy white  Mavri karydia

light brown to dark brown

Grain straight

70-130 ft with diameter 2'-6'

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


Bending strength moderate
Modulus of Elasticity (Mpa) 11,584 
 Hardness (N) 4492
« Poor
Good »
Drying item40
Machining item40
Wood Bending item40
 Gluing item40
Nailing item40
Finishing item40

End Uses

Joinery, panelling, flooring, doors, cabinets, furniture and architectural interiors.


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.

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