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Tangential/ Radial Movement of Common Wood Species

species

tangential*

radial*

t/r ratio

Ash, white

7.8%

4.9%

1.6 to 1

Birch, yellow

9.2%

7.2%

1.3 to 1

Cedar, aromatic

5.2%

3.3%

1.6 to 1

Cedar, western red

5.0%

2.4%

2.1 to 1

Cherry

7.1%

.3.7%

1.9 to 1

Elm, American

9.5%

4.2%

2.3 to 1

Fir, Douglas

7.6%

4.1%

1.9 to 1

Mahogany

5.1%

3.7%

1.4 to 1

Maple, hard

9.9%

4.8%

2.1 to 1

Maple, soft

8.2%

4.0%

2.1 to 1

Oak, red

8.9%

4.2%

2.1 to 1

Oak, white

10.5%

5.6%

1.9 to 1

Pine, white

6.1%

2.1%

2.9 to 1

Pine, yellow

6.2%

3.9%

1.6 to 1

Poplar, yellow-

8.2%

4.6%

1.8 to 1

Redwood

4.9%

2.2%

2.2 to 1

Spruce, Sitka

7.5%

4.3%

1.7 to 1

Teak

4.0%

2.2%

1.8 to 1

Walnut

7.8%

5.5%

1.4 to 1

*Percentage of shrinkage from t

vhen wood is first cut (green) to after i! is kiln dried.

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