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Properties of Certain Species of Wood

Properties of Certain Species of Wood

▪ Table
Properties of certain species of wood
species
      density*
(gram/cc)  

percent shrinkage              
      mechanical properties*

axial2
      radial

      tangential2

volume2
      static bending (N/mm2)**                     

      compression (N/mm2)**

      tension (N/mm2)**               

      hardness
  (side; kN)**2

      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
American beech  (beech)
(Fagus grandifolia) 0.64  . . .  5.1   11.0  16.3 103 11,900
      50   

      7.0      

      . . .

7.0   5.8     . . .
European chestnut (chestnut)
(Castanea sativa) 0.61  0.6  4.3     6.4  11.6   75   8,820
      49   

      . . .      

      132

. . .   3.1     . . .
Scotch pine (pine)
(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
Norway spruce  (spruce)
(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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