Scientific Name
Eucalyptus dives
Trade Name
Broad leaved peppermint
Family Name
Myrtaceae
Common Names
Broad leaved peppermint, Ironbark
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution [VIEW MAP]
Australia
Environmental Profile
| Status has not been officially assessed |
Distribution Overview
Occurs widely on the central and southern tablelands, N.S.W. and A.C.T., and in central-eastern Vic., in open forest and woodland.
Heartwood Color
| Brown | ||||||||||||
| Yellow | ||||||||||||
| Orange |
Pale in color
Sapwood Color
| Brown | ||||||||||||
| Yellow |
Grain
| Birds-eye (figure) | ||||||||||||
| Interlocked | ||||||||||||
| Figure | ||||||||||||
| Growth rings (figure) |
Texture
| Coarse |
Natural Durability
| Moderately durable | ||||||||||||
| Non-resistant to powder post beetles | ||||||||||||
| Susceptible to insect attack | ||||||||||||
| Very little natural resistance | ||||||||||||
| Deteriorates rapidly when in contact with the ground |
Drying Defects
| Internal Honeycombing Possible | ||||||||||||
| Collapse | ||||||||||||
| Checking |
Ease of Drying
| Moderately Difficult to Difficult | ||||||||||||
| Slowly |
Kiln Drying Rate
| Naturally dries slowly |
Tree Size
| Tree height is 40-50 m | ||||||||||||
| Tree height is 30-40 m | ||||||||||||
| Tree height is 50-60 m | ||||||||||||
| Trunk diameter is 100-150 cm |
Makes a good shade tree
Product Sources
| Interlocked | ||||||||||||
| Figure | ||||||||||||
| Stripe (figure) | ||||||||||||
| Closed | ||||||||||||
| Even | ||||||||||||
| Straight | ||||||||||||
| Rippled (figure) | ||||||||||||
| Wavy |
Comments
Considered fairly light
Hard and strong
Gluing
| Fairly Easy to Very Easy |
Resistance to Impregnation
| Permeable sapwood | ||||||||||||
| Resistant heartwood | ||||||||||||
| Resistant sapwood |
Response to Hand Tools
| Easy to Work | ||||||||||||
| Fairly Difficult to Difficult to Work |
Numerical Data
| Item | Green | Dry | English |
| Bending Strength | 10388 | 15582 | psi |
| Crushing Strength | 1098 | 1436 | psi |
| Density | 52 | lbs/ft3 | |
| Hardness | 1847 | lbs | |
| Maximum Crushing Strength | 5429 | 9398 | psi |
| Shearing Strength | 1980 | psi | |
| Static Bending | 6821 | 9604 | psi |
| Stiffness | 1627 | 1931 | 1000 psi |
| Toughness | 134 | inch-lbs | |
| Specific Gravity | 0.6 | 0.68 | |
| Weight | 51 | 42. | lbs/ft3 |
| Item | Green | Dry | Metric |
| Bending Strength | 730 | 1095 | kg/cm2 |
| Crushing Strength | 77 | 100 | kg/cm2 |
| Density | 833 | kg/m3 | |
| Hardness | 837 | kg | |
| Maximum Crushing Strength | 381 | 660 | kg/cm2 |
| Shearing Strength | 139 | kg/cm2 | |
| Static Bending | 479 | 675 | kg/cm2 |
| Stiffness | 114 | 135 | 1000 kg/cm2 |
| Toughness | 154 | cm-kg | |
| Specific Gravity | 0.6 | 0.68 |
References
Bolza, E., Kloot, N. H. 1963. The Mechanical Properties of 174 Australian Timbers. Technological Paper No. 25. Division of Forest Products, Center for Scientific and Industrial Organization (CSIRO, Melbourne, Australia.
Hillis, W.E. and A.G. Brown, Editors. 1984. Eucalyptus for Wood Production. Commonwealth Scientific and Industrial Research Organization, Academic Press, Australia.
Penfold, A.R. and J.L. Willis. 1961. The Eucalyptus – Botany, Cultivation, Chemistry, and Utilization. World Crop Books, N. Polunin, General Editor. Leonard Hill [Books] Ltd., London