Hardness Rating
Generally the following applies: The wood types listed below demonstrate the values cited in the table at wood moisture content of 12%. These values are approximate values, as wood shows deviations in hardness rating depending on it's particular growth characteristics.
|
Wood Type
|
Birnell Hardness
n/mmsq
|
Hardness Rating
|
|
|
|
|
Maple
|
48
|
4 - very hard wood
|
|
Bamboo
|
40
|
4 - very hard wood
|
|
Europian Maple
|
27
|
2 - soft wood
|
|
Pearwood
|
35
|
4 - very hard wood
|
|
Birch
|
31
|
2 - soft wood
|
|
Beech
|
34
|
3 - hard wood
|
|
Doussie
|
40
|
4 - very hard wood
|
|
Oak
|
34
|
4 - very hard wood
|
|
Ash
|
41
|
4 - very hard wood
|
|
Fir
|
12
|
1 - very soft wood
|
|
Jarrah
|
52
|
4 - very hard wood
|
|
Jabtoba
|
69
|
4 - very hard wood
|
|
Kempas
|
52
|
4 - very hard wood
|
|
Nordic Pine
|
19
|
2 - soft wood
|
|
Cherry
|
30
|
3 - hard wood
|
|
Siberian Larch
|
30
|
2 - soft wood
|
|
Merabu
|
49
|
4 - very hard wood
|
|
Panga Panga
|
45
|
4 - very hard wood
|
|
Pitch Pine
|
33
|
3 - hard wood
|
|
Teak
|
38
|
4 - very hard wood
|
|
Thermo Oak
|
32
|
3 - hard wood
|
|
Thermo Ash
|
31
|
3 - hard wood
|
|
Thermo Spruce
|
11
|
1 - very soft wood
|
|
Tigerwood
|
62
|
4 - very hard wood
|
|
Walnut
|
31
|
4 - very hard wood
|
|
Wenge
|
45
|
4 - very hard wood
|
|
Zebrano
|
56
|
4 - very hard wood
|