Hemlock Wood Logs

Color / Appearance: Heartwood is light reddish brown. Sapwood may be slightly lighter in color but usually isn’t distinguished from the heartwood. The conspicuous growth rings can exhibit interesting grain patterns on flatsawn surfaces.

Grain / Texture: Grain is generally straight, but may be interlocked or spiraled. Has a coarse, uneven texture.

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Description

Specification: 

Common Name(s): Eastern Hemlock, Canadian Hemlock

Scientific Name: Tsuga canadensis

Distribution: Eastern North America

Tree Size: 65-100 ft (30 m) tall, 2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 28 lbs/ft3 (450 kg/m3)

Specific Gravity (Basic, 12% MC): .36, .45

Janka Hardness: 500 lbf (2,220 N)

Modulus of Rupture: 8,900 lbf/in2 (61.4 MPa)

Elastic Modulus: 1,200,000 lbf/in2 (8.28 GPa)

Crushing Strength: 5,410 lbf/in2 (37.3 MPa)

Shrinkage: Radial: 3.0%, Tangential: 6.8%, Volumetric: 9.7%, T/R Ratio: 2.3

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