Cape plane (Ochna arborea)
Family: Ochnaceae
Common names: Cape plane, Intensema, Rooihout
Distributed in: South Africa, Zimbabwe (Africa)
Common uses: Boxes and crates, Carvings, Furniture, Posts, Tool handles, Toys, Turnery, Vehicle parts, Walking sticks
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isRed, Whiteand the sapwoodSame as heartwood, White.The grain isWeak figure, the textureFineand the lusterLow
Natural durability: Resistant to attack from termites (Isoptera), Very durable
Kiln Schedules: Dry at a slow speed
Drying Defects: Moderate surface checking, Moderate twist/warp
Ease of Drying: Easy
Comments: General finishing qualities are rated as good
Cutting Resistance: Cutting Resistance with dry wood is easy
Gluing: Easy to glue
Nailing: Possible if prebored
Planing: Planes well, to a good finish
Resistance to Impregnation: Heartwood is extremely resistant
Resistance to Splitting: Very Poor
Response to hand tools: Easy to Work
Turning: Easy to turn
Varnishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
|
|
|
Density |
|
961 |
kg/m3 |
Bending Strength |
954 |
1473 |
kg/cm2 |
Crushing Strength |
485 |
699 |
kg/cm2 |
Hardness |
|
1333 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
200 |
kg/cm2 |
Stiffness |
95 |
110 |
1000 kg/cm2 |
Tangential Shrinkage |
|
|
% |
Radial Shrinkage |
|
|
% |
Weight |
|
|
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 13576 | 20956 | psi | Density | | 60 | lbs/ft3 | Hardness | | 2940 | lbs | Maximum Crushing Strength | 6899 | 9945 | psi | Shearing Strength | | 2847 | psi | Stiffness | 1358 | 1568 | 1000 psi | Weight | 59 | 47 | lbs/ft3 | |
Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = 53-60 lbs/cu. ft Shearing strength (parallel to grain) = high Modulus of Elasticity (stiffness) = low Max. crushing strength = high Hardness (side grain) = very hard Bending strength (MOR) = high
Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48Banks, C.H.,1970,The Durability of South African Wood and Wood Base Building Materials,South African Forestry Journal,No.75Chalk, L. et al.,1935,Fifteen South African High Forest Timber Trees,Forest Trees and Timbers of the British Empire, Imperial Forestry,Institute, Oxford,Part 3Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Scott, M.H.,1935,Weights of South African Growth Timbers,South African Department of Agriculture and Forestry Bulletin,No.145,Forest Products Institute, Forestry Series No.1
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