Pecan

Common Name(s): Pecan

Scientific Name: Carya illinoinensis

Distribution: South-central United States and Mexico

Tree Size: 100-130 ft (30-40 m) tall, 2-4 ft (.6-1.2 m) trunk diameter

Average Dried Weight: 46 lbs/ft3 (735 kg/m3)

Specific Gravity (Basic, 12% MC): .60, .74

Janka Hardness: 1,820 lbf (8,100 N)

Modulus of Rupture: 13,700 lbf/in2 (94.5 MPa)

Elastic Modulus: 1,730,000 lbf/in2 (11.93 GPa)

Crushing Strength: 7,850 lbf/in2 (54.1 MPa)

Shrinkage: Radial: 4.9%, Tangential: 8.9%, Volumetric: 13.6%, T/R Ratio: 1.8

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