Goncalo Alves / Tigerwood / Jobillo

Common Name(s): Goncalo Alves, Tigerwood, Jobillo

Scientific Name: Astronium graveolens (syn. A. fraxinifolium)

Distribution: From Mexico southward to Brazil

Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 57 lbs/ft3 (905 kg/m3)

Specific Gravity (Basic, 12% MC): .80, .91

Janka Hardness: 2,170 lbf (9,640 N)

Modulus of Rupture: 16,970 lbf/in2 (117.0 MPa)

Elastic Modulus: 2,401,000 lbf/in2 (16.56 GPa)

Crushing Strength: 10,770 lbf/in2 (74.2 MPa)

Shrinkage: Radial: 4.2%, Tangential: 7.8%, Volumetric: 11.2%, T/R Ratio: 1.9

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