DESCRIPTION
Black Walnut heartwood is rich dark brown to purplish-black and is usually straight grained. Wavy or curly grain is sometimes present. Texture is coarse. Weight averages about 40lbs per cu. ft. Typical Width = 4" to 10" Typical Length = 5' to 16' Note: long, wide boards are hard to find clear.
COUNTRY OF ORIGIN
North America
BOTANICAL NAME
Juglans Nigra
OTHER NAMES
American Walnut, Virginia Walnut, Canaletto, Black Hickory Nut
MECHANICAL PROPERTIES
This medium density wood is tough and hard. It has moderate bending and crushing strengths. Stiffness is low. It has good steam bending characteristics.
WORKING PROPERTIES
Black Walnut can be worked with hand or power tools without difficulty. Moderate blunting effect on cutters. Takes nails and screws well. Glues satisfactorily. Finishes to a high polish.
DURABILITY
Very durable. Sapwood is susceptible to attack by powder post beetle. Heartwood is resistant to preservative treatment and biodegradation.
SEASONING
Dries slowly with tendency to honeycomb. Requires care to avoid checking and degradation. Small movement.
USES
The standard for gunstocks in the U.S. Extensively used in high-quality furniture, cabinetmaking, boatbuilding, musical instruments, clock cases, turning and carving. Sliced or cut for paneling, veneers.
COMMENTS
Can be found in burls, crotches, burrs, etc.
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