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Blunting Effect
Boring
Comments
Common Names
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Movement in Service
Nailing
Natural Durability
Numerical Data
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Staining
Steam Bending
Trade Name
Tree Size
Turning
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Common Names
Australian grey bastard box, Grey box, Ironbark
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Australia
Environmental Profile
| Status has not been officially assessed |
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Distribution Overview
Australia
Heartwood Color
| Brown |
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| Yellow |
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| Orange |
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| Green/grey |
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| Red |
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| Pale brown |
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Sapwood Color
Grain
| Interlocked |
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| Birds-eye (figure) |
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| Closed |
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| Figure |
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| Wavy |
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| Distinct (figure) |
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Luster
Natural Durability
| Very durable |
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| Susceptible to insect attack |
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| Non-resistant to powder post beetles |
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| Durable |
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| Resistant to termites |
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| Non-resistant to termites |
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| High natural resistance against decay and attack by termites |
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Drying Defects
| Splitting |
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| Checking |
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| Distortion |
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Ease of Drying
| Fairly Easy |
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| Moderately Difficult to Difficult |
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| Slowly |
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Seasoning is slow. Degrades are absent
Kiln Drying Rate
| Naturally dries slowly |
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| Slow |
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| Straight |
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| Even |
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| Interlocked |
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| Figure |
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| Stripe (figure) |
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Tree Size
| Trunk diameter is 100-150 cm |
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| Tree height is 40-50 m |
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| Tree height is 30-40 m |
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| Trunk diameter is 200-250 cm |
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| Tree height is 50-60 m |
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Product Sources
Availability of the timber is rather limited.
Comments
Good for structure
Blunting Effect
| High to severe |
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| Little |
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| Moderate |
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Boring
Cutting Resistance
Gluing
| Fairly Difficult to Very Difficult |
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Movement in Service
| Fair to Good Stability - Medium Movement |
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| Excellent Stability - Small Movement |
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Nailing
| Very Good to Excellent Results |
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| Fair to Good Results |
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Planing
| Very Good to Excellent Results |
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| Fair to Good Results |
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Resistance to Impregnation
| Resistant heartwood |
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| Resistant sapwood |
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Response to Hand Tools
| Easy to Work |
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| Fairly Difficult to Difficult to Work |
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| Difficult to machine |
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| Described as extremely heavy, hard, and strong |
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Difficult due to stiffness and toughness
Turning
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Fairly Difficult to Very Difficult |
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| Very Good to Excellent Results |
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Steam Bending
Polishing
| Fair to Good Results |
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| Very Good to Excellent Results |
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Staining
| Poor to Very Poor Results |
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| Fair to Good Results |
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| Very Good to Excellent Results |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 13916 | 20384 | psi |
| Crushing Strength | 1975 | 2989 | psi |
| Density | | 70 | lbs/ft3 |
| Hardness | | 3244 | lbs |
| Maximum Crushing Strength | 7076 | 11074 | psi |
| Shearing Strength | | 2950 | psi |
| Static Bending | 8075 | 11956 | psi |
| Stiffness | 1882 | 2323 | 1000 psi |
| Toughness | | 191 | inch-lbs |
| Specific Gravity | 0.83 | 0.93 | |
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| Item | Green | Dry | Metric |
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| Bending Strength | 978 | 1433 | kg/cm2 |
| Crushing Strength | 138 | 210 | kg/cm2 |
| Density | | 1121 | kg/m3 |
| Hardness | | 1471 | kg |
| Maximum Crushing Strength | 497 | 778 | kg/cm2 |
| Shearing Strength | | 207 | kg/cm2 |
| Static Bending | 567 | 840 | kg/cm2 |
| Stiffness | 132 | 163 | 1000 kg/cm2 |
| Toughness | | 220 | cm-kg |
References
Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.
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.
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