Butternut / White Walnut
Common Name(s): Butternut, White Walnut
Scientific Name: Juglans cinerea
Distribution: Eastern United States
Tree Size: 65-100 ft (20-30 m) tall, 2-3 ft (.6-1 m) trunk diameter
Average Dried Weight: 27 lbs/ft3 (435 kg/m3)
Specific Gravity (Basic, 12% MC): .36, .43
Janka Hardness: 490 lbf (2,180 N)
Modulus of Rupture: 8,100 lbf/in2 (55.9 MPa)
Elastic Modulus: 1,180,000 lbf/in2 (8.14 GPa)
Crushing Strength: 5,110 lbf/in2 (35.2 MPa)
Shrinkage: Radial: 3.4%, Tangential: 6.4%, Volumetric: 10.6%, T/R Ratio: 1.9
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