Hard Maple
Common Name(s): Hard Maple, Sugar Maple, Rock Maple
Scientific Name: Acer saccharum
Distribution: Northeastern North America
Tree Size: 80-115 ft (25-35 m) tall, 2-3 ft (.6-1.0 m) trunk diameter
Average Dried Weight: 44 lbs/ft3 (705 kg/m3)
Specific Gravity (Basic, 12% MC): .56, .71
Janka Hardness: 1,450 lbf (6,450 N)
Modulus of Rupture: 15,800 lbf/in2 (109.0 MPa)
Elastic Modulus: 1,830,000 lbf/in2 (12.62 GPa)
Crushing Strength: 7,830 lbf/in2 (54.0 MPa)
Shrinkage: Radial: 4.8%, Tangential: 9.9%, Volumetric: 14.7%, T/R Ratio: 2.1
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