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AMERICAN BLACK WALNUT
Juglans nigra


Common Names

American black walnut, American walnut, Canadian Walnut, Black Hickory Nut, Gun Wood, Canaletto, Nogal, and Tocte.


History

The roots of the walnut tree release a toxic material which may kill other plants growing above them. Walnut is one of the few American species planted as well as naturally regenerated.


Did You Know?

From the time of ancient Greeks until well into modern European history, walnuts symbolized fertility and were strewn at weddings. Just the opposite, in Romania, brides who wished to delay childbearing placed into the bodice of their wedding dresses one walnut for each year they hoped to wait.


Distribution

Throughout Eastern U.S., but principal commercial region is the Central states. Average tree height of 100 to 150 feet.


Main Uses

Furniture, cabinets, architectural millwork, doors, flooring, paneling, and gun stocks. A favored wood for using in contrast with lighter-colored species.


Relative Abundance

1.9 percent of total U.S. hardwoods commercially available.


General Description

The sapwood of walnut is creamy white, while the heartwood is light brown to dark chocolate brown, occasionally with a purplish cast and darker streaks. The wood develops a rich patina that grows more lustrous with age. Walnut is usually supplied steamed, to darken sapwood.

The wood is generally straight-grained, but sometimes with wavy or curly grain that produces an attractive and decorative figure. This species produces a greater variety of figure types than any other.


Availability

Reasonable availability with regional limitations.

 

Ash • Beech • Brazilian Cherry • Brazilian Walnut • Aromatic Cedar • Cherry • Coffeenut • Cypress • Hickory • Hard Maple • Poplar • Red Elm • Red Oak • Sassafras • Soft Maple • Walnut • White Oak • White Pine • Yellow Pine • Heart Pine

 

click the above images to view

Wood is a natural product. Some variation in color and grain pattern will occur between samples, images on this website, photographs and any specific installation.



Working Properties

Walnut works easily with hand and machine tools, and nails, screws and glues well. It holds paint and stain very well for an exceptional finish and is readily polished. It dries slowly, and care is needed to avoid kiln degrade. Walnut has good dimensional

Walnut Working Properties Chart


PDF file on strength & mechanical properties

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Physical Properties

Walnut is a tough hardwood of medium density, with moderate bending and crushing strengths and low stiffness. It has a good steam-bending classification.

1010 Janka Hardness Rating


Walnut Estimated

Product Weights

Lbs

Green Rough Sawn

4.83 bf

KD Rough Sawn

3.16 bf

KD 15/16" HoM Planed

2.96 bf

KD 3/4" S4S & Flooring

2.57 sf

Listed weights should be considered estimated averages only and do not include the additional weight of bolsters, packaging or shipping crates.

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