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The table below will help you decide what type of timber you require for your project:
| Type |
Species |
Other Common Name |
Source |
Hardness in kN |
| American Oak |
Quercus spp. |
n/a |
Nth. America |
6.0 |
| Ash, Alpine |
Eucalyptus Delegantensis |
Tasmanian Oak |
SE Australia |
4.9 |
| Ash, Mountain |
Eucalyptus Regnans |
Tasmanian Oak |
SE Australia |
4.9 |
| Blackbutt |
Eucalyptus Pilularis |
n/a |
NSW, Qld |
9.1 |
| Blackbutt |
Eucalyptus Patens |
Yarri |
WA |
6.9 |
| Bluegum, Southern |
Eucalyptus Globus |
Tasmanian Bluegum |
Vic, Tasmania |
12.0 |
| Bluegum, Sydney |
Eucalyptus Saligna |
n/a |
NSW, Qld |
9.0 |
| Brushbox |
Tristania Conferta |
n/a |
NSW, Qld |
9.5 |
| Iroko |
Chlorophora Excelsa |
n/a |
Africa |
5.6 |
| Ironbark |
Eucalyptus Paniculata |
n/a |
NSW, Qld |
13.0 |
| Jarrah |
Eucalyptus Marginata |
n/a |
WA |
8.5 |
| Karri |
Eucalyptus Diversicolour |
n/a |
WA |
9.0 |
| Marri |
Eucalyptus Calophylla |
n/a |
WA |
7.1 |
| Messmate |
Eucalyptus Obliqua |
Stringybark |
Tas, Vic, NSW, Qld |
7.1 |
| Rose Gum |
|
Flooded Gum |
NSW |
7.5 |
| Sheoak |
Casuarina Fraserana |
n/a |
WA |
7.0 |
| Tallowood |
Eucalyptus Microcorys |
n/a |
NSW, Qld |
8.6 |
| Tasmanian Blackwood |
|
n/a |
Tasmania |
6.1 |
| Wandoo |
Eucalyptus Wandoo |
n/a |
WA |
15.0 |
| Yellow Stringybark |
Eucalyptus Muellerana |
n/a |
NSW, Vic |
8.5 |
Note: the ratings allow comparison of different timber types and their suitability for
flooring etc. The figures are shown in kiloNewtons (kN).
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