Azobe (Lophira spp.)
Family: Ochnaceae
Common names: Azobe, Bongossi, Ekki
Common uses: Cabinetmaking, Charcoal, Furniture, Heavy construction, Tool handles, Vehicle parts
Environment profile: Endangered
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isBrown, Yellowand the sapwoodBrown, Red.The grain isInterlocked, the textureMedium coarse to coarseand the lusterHigh
Natural durability: Durable, Very durable
Odor: Has a taste
Kiln Schedules: Dry at a slow speed
Drying Defects: Severe surface checking, Splitting
Ease of Drying: Reconditioning Treatement
Blunting Effect: Little
Boring: Fairly easy to very easy
Carving: Fairly Easy to Very Easy
Cutting Resistance: Easy to saw
Gluing: Fair to Good Results
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Fairly Easy to Very Easy, Poor to Very Poor
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Responds Readily
Routing recessing: Fairly Easy to Very Easy
Veneering qualities: Suitable for slicing
Steam bending: Fairly Easy to Very Easy
Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Fairly Easy to Very Easy
Painting: Surface Preparation; Polishing: Surface Preparation; Staining: Finish is generally satisfactory;
- 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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kg/m3 |
Bending Strength |
954 |
1473 |
kg/cm2 |
Crushing Strength |
485 |
699 |
kg/cm2 |
Hardness |
|
1333 |
kg |
Impact Strength |
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cm |
Shearing Strength |
|
|
kg/cm2 |
Stiffness |
152 |
175 |
1000 kg/cm2 |
Tangential Shrinkage |
|
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% |
Radial Shrinkage |
4 |
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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 | 13576 | 20956 | psi | Hardness | | 2940 | lbs | Maximum Crushing Strength | 6899 | 9945 | psi | Stiffness | 2167 | 2494 | 1000 psi | Radial Shrinkage | 4 | | % | Tangential Shrinkage | 6 | | % | |
Shrinkage, Tangential = small Shrinkage, Radial = moderate Modulus of Elasticity (stiffness) = high Max. crushing strength = high Hardness (side grain) = very hard Bending strength (MOR) = medium
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.48Gerry, E., Miller, C.M.,1954,Triplochiton scleroxylon,U.S.A. Department of Agriculture, Forest Products Laboratory, Madison,Report,No. 1974,1-5U.S.D.A. Forest Service,1952,Foreign Woods Imported into the U.S.,F.P.L. Madison Rep., No. R1903-12
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