English Oak
Common Name(s): English Oak, European Oak
Scientific Name: Quercus robur
Distribution: Most of Europe, to Asia Minor, and North Africa
Tree Size: 80-115 ft (24-35 m) tall, 3-5 ft (1-1.5 m) trunk diameter
Average Dried Weight: 42 lbs/ft3 (675 kg/m3)
Specific Gravity (Basic, 12% MC): .53, .67
Janka Hardness: 1,120 lbf (4,980 N)
Modulus of Rupture: 14,100 lbf/in2 (97.1 MPa)
Elastic Modulus: 1,544,000 lbf/in2 (10.60 GPa)
Crushing Strength: 6,720 lbf/in2 (46.3 MPa)
Shrinkage:Radial: 4.7%, Tangential: 8.4%, Volumetric: 13.0%, T/R Ratio: 1.8
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