Elgon (Olea ferruginea)
Family: Oleaceae
Common names: Elgon, Kahu, Kao, Kau, Khwan, Ko, Kohu, Lungwe, Shwan, Wi, Zaitun
Common uses: Agricultural implements, Cabinetmaking, Fuelwood, Mathematical instruments, Paneling, Tool handles, Turnery, Veneer, Veneer: decorative, Walking sticks
Colors: the heart isRed, Yellowand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureUniformand the lusterSlightly lustrous
Natural durability: Durable, Resistant to wood staining fungal attack
Drying Defects: Moderate surface checking
Ease of Drying: Reconditioning Treatement
Tree Identification: Bole/stem form is straight
Blunting Effect: Little
Boring: Very good to excellent results
Carving: Fairly Easy to Very Easy
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Mortising: Very Good to Excellent
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Fair to Good , Fairly Easy to Very Easy
Planing: Planes to a satisfactory finish
Response to hand tools: Easy to Work
Routing recessing: Fairly Easy to Very Easy
Sanding: Fairly Easy to Very Easy
Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Fairly Easy to Very Easy
Painting: Fair to Good; Polishing: Good; Varnishing: Fairly Easy to Very Easy;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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961 |
kg/m3 |
Bending Strength |
429 |
674 |
kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
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% |
Weight |
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kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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 |  |  |  | Item | Green | Dry | English | Bending Strength | 6111 | 9589 | psi | Density | | 60 | lbs/ft3 | Weight | 59 | 51 | lbs/ft3 | |
Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = >75 lbs/cu. ft Density (dry weight) = 67-75 lbs/cu.ft Density (dry weight) = 53-60 lbs/cu. ft Bending strength (MOR) = low
Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonHoward, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressPearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols
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