Scarba gum (Eucalyptus globoidea)
Family: Myrtaceae
Common names: Scarba gum, White stringybark
Distributed in: India (Oceania and S.E. Asia)
Distribution overview: Found in Australia on gentle undulating country and hills near the coast, to mountain slopes and escarpments adjacent to tablelands but not inland of the ranges. Wide range through eastern New South Wales except the far north, and eastern Victoria except in areas where summers are too cool. Favours warm humid to sub-humid climate. Altitude range, near sea level to 1100 m.
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 150-200 cm
Colors: the heart isPurple, Redand the sapwoodBrown
.The grain isStraight, the textureUniform
Natural durability: Susceptible to insect attack, Very durable
Odor: Has an odor
Kiln Drying Rate: Slow
Drying Defects: Distortion, Internal Honeycombing Possible
Ease of Drying: Thick Stock Requires Care
Comments: Generally strong, tough, and hard. Heavy
Blunting Effect: Moderate
Boring: Fairly difficult to very difficult
Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Moderate to saw
Gluing: Fairly Easy to Very Easy
Mortising: Fairly Difficult to Very Difficult
Moulding: Fairly Difficult to Very Difficult
Movement in Service: Fairly Difficult to Very Difficult
Nailing: Fairly Difficult to Very Difficult, Pre-Boring Recommended
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Fairly Difficult to Difficult to Work
Sanding: Fairly Easy to Very Easy
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Good
Screwing: Pre-boring recommended, Very Good to Excellent Results; Turning: Very Good to Excellent Results
Polishing: Very Good to Excellent; Staining: Very Good to Excellent; Varnishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
|
|
|
Density |
|
849 |
kg/m3 |
Bending Strength |
813 |
1357 |
kg/cm2 |
Crushing Strength |
81 |
128 |
kg/cm2 |
Hardness |
|
900 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
164 |
kg/cm2 |
Stiffness |
133 |
172 |
1000 kg/cm2 |
Tangential Shrinkage |
|
|
% |
Radial Shrinkage |
|
|
% |
Weight |
|
|
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
216 |
cm-kg |
Static Bending |
549 |
950 |
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 11564 | 19306 | psi | Crushing Strength | 1161 | 1828 | psi | Density | | 53 | lbs/ft3 | Hardness | | 1985 | lbs | Maximum Crushing Strength | 6152 | 10584 | psi | Shearing Strength | | 2342 | psi | Static Bending | 7811 | 13524 | psi | Stiffness | 1901 | 2450 | 1000 psi | Toughness | | 188 | inch-lbs | Specific Gravity | 0.61 | 0.7 | | |
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.Wallis, N.K. 1956. Australian Timber Handbook. Sponsored by The Timber Development Association of Australia. Angus & Robertson, Ltd., 89 Castlereagh Street, Sydney, Australia.
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