Also called:
american black walnut, eastern black walnut, gunwood, American walnut, Virginia walnut, Nussbaum, noyerDescription
The heartwood ranges from light greyish brown, through dark chocolate to purplish-black. The sapwood is whitish to yellowish-brown, but may be stained or steamed to match the heartwood. The slightly open grain is typically straight, but curly or wavy grain can occur. The texture is usually coarse; the dull lustre develops to a more lustrous patina in time. Burrs, stupwood and crotches produces notable mottled, curly and wavy figure.
Typical dry weight 640kg/m3
Specific gravity 0.64
Properties
This hard, tough wood has moderate crushing and bending strengths, low stiffness and a good steam-bending rating. Walnut works well with machine and hand tools, with a moderate blunting effect. It generally planes well, but irregular grain can be tricky. It turns, carves, mortises, nails, screws, paints and sands well. Gluing is satisfactory. It stains and polishes easily to a high finish.
Durability American walnut heartwood is highly durable, resistant to decay and to preservative treatment. The sapwood is permeable for treatment, and can be vulnerable to the powder-post beetle.
Grows Canada and USA
Typical Height 21 - 27m
Trunk Diameter 0.6-1.2m