Properties of Certain Species of Wood
- Properties of Certain Species of Wood
-
Properties of certain species of wood
species
density*
percent shrinkage
mechanical properties*
axial2
radial
tangential2
volume2
static bending (N/mm2)**
compression (N/mm2)**
tension (N/mm2)**
hardness
toughness
(N m)**2
modulus
parallel
perpendicular
parallel
perpendicular
elasticity
rupture
(Guaiacum officinale)
1.23
0.1 5.6
9.3
15.0
121
. . .
123
88.0
. . .
. . . 15.8 . . .
(Quercus alba) 0.68 . . . 5.3 9.6 18.9 105 12,280
51
9.1
. . .
5.5 6.0 36.7
(Fagus grandifolia) 0.64 . . . 5.1 11.0 16.3 103 11,900
50
7.0
. . .
7.0 5.8 . . .
(Castanea sativa) 0.61 0.6 4.3 6.4 11.6 75 8,820
49
. . .
132
. . . 3.1 . . .
(Pinus sylvestris) 0.53 0.4 4.0 7.7 12.4 98 11,760
30
4.1
102
2.9 2.4 . . .
(Pseudotsuga menziesii) 0.48 . . . 5.0 7.8 11.8 83 13,660
51
6.0
130
2.3 3.2 31.7
(Picea abies) 0.44 0.3 3.6 7.8 12.0 60 9,100
30
4.1
84
1.5 1.5 . . .
(Sequoia sempervirens) 0.40 . . . 2.6 4.4 6.8 69 9,250
42
5.9
. . .
1.7 2.1 13.0
(Ochroma lagopus) 0.16 0.6 2.4 4.4 7.5 19 2,550
9
1.0
73
1.0 0.4 . . .
See as table:
*Based on specimens in air-dry condition (12-15% moisture content).
**N = newton (about 0.22 pound); kN = 1,000 newtons.
Source: Adapted from George Tsoumis, Science and Technology of Wood (1991).
* * *
Universalium.
2010.
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