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8. Wood Group Number Table
Number
Representative wood type
Measurement range
01
Oak, Zelkova, Maple
5 to 40%
02
Japanese oak, Linden, Chestnut, Beech tree, Cherry
5 to 40%
03
Katsura tree, Birch, Paulownia
5 to 40%
04
Apitong, Keruing, Kabul, Sengyan
4 to 40%
05
Ramin, Kempas, Chinese quince
6 to 30%
06
Japanese ash, Elm, Ash
4 to 40%
07
Teak
6 to 40%
08
Lauan, Castor aralia
5 to 40%
09
Japanese larch
6 to 40%
10
Japanese white-barked magnolia, Cottenwood
6 to 40%
11
Hemlock
6 to 40%
12
Yeddo spruce, Spruce
7 to 40%
13
Cypress
5 to 40%
14
Douglas fir
6 to 40%
15
Cedar
5 to 35%
16
Fir
5 to 40%
