North American Walnut
walnut

 

 

 

 

 

 

 

 


North American Walnut Description
Juglans Nigra

NA Walnut: aka Black Walnut. Found throughout the Eastern US and Ontario.

Colour: Heartwood ranges from deep rich dark brown to a purplish black. Sapwood ranges from white to tan.

Grain: Mostly straight open grain with some burl and curly grain.

Janka Hardness: 1010 lbs of dent resistance…22 % softer than Red Oak.

Finishing: Finishes well with deep, rich, dark color.

Notes: Walnut will fade over time with exposure to UV light.


North American Walnut Technical Data

NORTH AMERICAN WALNUT
Green
Dry
English
Bending Strength
9300
14831
psi
Crushing Strength
549
1103
psi
Density
 
40
lbs/ft3
Janka Hardness
1010
lbs
Impact Strength
52
40
inches
Maximum Crushing Strength
4276
7330
psi
Shearing Strength
1590
psi
Static Bending
4312
8918
psi
Stiffness
1433
1695
1000 psi
Work to Maximum Load
12
13
inch-lbs/in3
Specific Gravity
0.48
0.55
Weight
43
38
lbs/ft3
Radial Shrinkage
4
%
Tangential Shrinkage
7
%
Volumetric Shrinkage
14
%

 

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