Clicking
any heading in the main data area (at right) will scroll the page back
to this top position.
Use the following links to
jump to the associated section in the main data.
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Luster
Nailing
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Turning
| |
Common Names
African beech, Beechwood, Beukenhout, Boekenhout, Bwonget, Garahongwe, Gurahunwa, Isidwadwa, Kapfutsa, Kikeriai, Maiyokwa, Markwa, Mokwa, Mosambonet, Moyokwo, Muanjati, Muargua, Muikuni, Muonyela, Murango, Murere, Musasati, Muserigeta, Musesetu, Mushangwa, Mususina, Mutoroswa, Mutos, Mutsatsati, Muzuchai, Naknahi, Narrow-leaved beukenhout, Natakoe, Nkoma, Ol-bugui, Rooi boekenhout, Rooiboekenhout, Siriki, Transvaal boekenhout, Tsatsai, wetsiyar biri
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
South Africa, Uganda, Zimbabwe
Common Uses
Cabinetmaking, Carvings, Charcoal, Chemical derivatives, Door, Flooring, Flooring: industrial heavy traffic, Fuelwood, Furniture, Handles: general, Joinery, Ladders, Light construction, Paneling, Piling, Plywood corestock, Plywood, Posts, Railroad ties, Tables, Toys, Turnery, Vehicle parts, Wheels
Heartwood Color
| White |
|
|
|
|
|
|
|
|
|
|
|
|
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Orange |
|
|
|
|
|
|
|
|
|
|
|
|
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Yellow to golden-yellow to orange |
|
|
|
|
|
|
|
|
|
|
|
|
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| Reddish brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Dark brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Pale red to pink |
|
|
|
|
|
|
|
|
|
|
|
|
Sapwood Color
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| White |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Paler than heartwood |
|
|
|
|
|
|
|
|
|
|
|
|
Grain
| Even |
|
|
|
|
|
|
|
|
|
|
|
|
| Figure |
|
|
|
|
|
|
|
|
|
|
|
|
| Distinct (figure) |
|
|
|
|
|
|
|
|
|
|
|
|
| Straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Interlocked |
|
|
|
|
|
|
|
|
|
|
|
|
| Figure shows rays |
|
|
|
|
|
|
|
|
|
|
|
|
| Distinct figure |
|
|
|
|
|
|
|
|
|
|
|
|
| Straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Interlocked |
|
|
|
|
|
|
|
|
|
|
|
|
Texture
Luster
Natural Durability
| Durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Perishable |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to insect attack |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to powder post beetles |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to attack from termites (Isoptera) |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
|
|
|
|
|
|
|
|
|
|
|
|
Drying Defects
| Splitting |
|
|
|
|
|
|
|
|
|
|
|
|
| Checking |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Slight surface checking |
|
|
|
|
|
|
|
|
|
|
|
|
| Slight collapse and honeycomb |
|
|
|
|
|
|
|
|
|
|
|
|
Ease of Drying
| Fairly Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Slowly |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Moderate |
|
|
|
|
|
|
|
|
|
|
|
|
Kiln Drying Rate
Tree Identification
| Bole/stem form is misshapen |
|
|
|
|
|
|
|
|
|
|
|
|
Tree Size
| Bole length is 0-10 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bark width is 5-10 mm |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 0-10 m |
|
|
|
|
|
|
|
|
|
|
|
|
Cutting Resistance
| Easy to saw |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Difficult to Very Difficult to saw |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Cutting Resistance with green wood is difficult |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with green wood is moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with green wood is easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with dry wood is easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with dry wood is difficult |
|
|
|
|
|
|
|
|
|
|
|
|
Nailing
| Easy to nail |
|
|
|
|
|
|
|
|
|
|
|
|
| Holds nails well |
|
|
|
|
|
|
|
|
|
|
|
|
Planing
| Difficult to plane |
|
|
|
|
|
|
|
|
|
|
|
|
| Ease of planing is moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Planes to a satisfactory finish |
|
|
|
|
|
|
|
|
|
|
|
|
Response to Hand Tools
| Easy to Work |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to machine |
|
|
|
|
|
|
|
|
|
|
|
|
| Difficult to machine |
|
|
|
|
|
|
|
|
|
|
|
|
Turning
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Good results |
|
|
|
|
|
|
|
|
|
|
|
|
| Easy to turn |
|
|
|
|
|
|
|
|
|
|
|
|
Polishing
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Good results |
|
|
|
|
|
|
|
|
|
|
|
|
Strength Properties
| Density (dry weight) = 46-52 lbs/cu. ft. |
|
|
|
|
|
|
|
|
|
|
|
|
| Shearing strength (parallel to grain) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Density (dry weight) = 53-60 lbs/cu. ft |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = fairly large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = fairly large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shearing strength (parallel to grain) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = very low |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Hardness (side grain) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = low |
|
|
|
|
|
|
|
|
|
|
|
|
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 8244 | 12907 | psi |
| Density | | 48 | lbs/ft3 |
| Hardness | | 1658 | lbs |
| Maximum Crushing Strength | 5905 | 8762 | psi |
| Shearing Strength | | 1989 | psi |
| Stiffness | 1449 | 1682 | 1000 psi |
| Weight | 47 | 38 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 9 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 579 | 907 | kg/cm2 |
| Density | | 769 | kg/m3 |
| Hardness | | 752 | kg |
| Maximum Crushing Strength | 415 | 616 | kg/cm2 |
| Shearing Strength | | 139 | kg/cm2 |
| Stiffness | 101 | 118 | 1000 kg/cm2 |
| Weight | 753 | 608 | kg/m3 |
| Radial Shrinkage | 5 | | % |
References
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.48
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research
Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards London
Dalziel, J.M.,1937,The Useful Plants of West Tropical Africa,Crown Agents for the Colonies
Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe Uganda
Palgrave, K.C.,1977,Trees of Southern Africa,Cape Town South Africa
Pardy, A.A.,1955,Notes on Indigenous Trees and Shrubs of S.Rhodesia - Faurea saligna,Ministry of Agriculture and Lands S.Rhodesia Bulletin No.1807
Scott, 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
Scott, M.H.,1953,Utilisation Notes on South African Timbers,South African Forestry Department Bulletin No.36
Sim, T.R.,1921,Native Trees of South Africa,Union of South Africa Department of Mines and Industries Memoir No.3
Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
|
|