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Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Nailing
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Screwing
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Turning
Varnishing

Scientific Name
Curtisia faginea

Trade Name
Asgaai

Family Name
Cornaceae

Synonyms
Curtisia dentata


Wood Image 1

Common Names
Asgaai, Assagai, Assagaiwood, Assegai, Assegai tree, Cape lancewood, Curtisea, Moodalaqweene, Mubotjo, Muchekamani, Nmnoiso, Umguna, Umgxina, Umnoiso, Zulu

Regions of Distribution
Africa

Countries of Distribution  [VIEW MAP]
South Africa, Zimbabwe

Common Uses
Agricultural implements, Boat building (general), Boxes and crates, Cabinetmaking, Carvings, Flooring, Furniture, Handles: general, Heavy construction, Mathematical instruments, Musical instruments, Sporting Goods, Tool handles, Toys, Turnery, Vehicle parts, Veneer, Wheel spokes, Wheels

Heartwood Color
Green/grey
Red
Pink
Greenish to greyish
Purple
Brown, red, dark reddish brown with nearly black stripes after prolonged exposure
Brown


Sapwood Color
Paler than heartwood


Grain
Weak (figure)
Figure
Straight
Even

Weak figure
Straight


Texture
Fine
Fine


Natural Durability
Very durable
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Resistant to attack from termites (Isoptera)
Resistant to attack from powder post (Lyctid & Bostrychid) beetles
Resistant to attack from pinworms (ambrosia beetles)
Resistant to attack from marine borers
Durable


Kiln Schedules
UK=B US=T2C2/T2C1 Fr=2


Drying Defects
Severe end splitting


Ease of Drying
Difficult


Tree Identification
Bole/stem form is not buttressed


Cutting Resistance
Cutting Resistance with dry wood is easy


Gluing
Easy to glue


Nailing
Possible if prebored


Planing
Planes well, to a good finish
Easy to plane


Resistance to Impregnation
Heartwood is resistant


Response to Hand Tools
Easy to machine


Screwing
Possible if prebored


Turning
Easy to turn


Polishing
Satisfactory results
Good results


Varnishing
Good results


Strength Properties
Max. crushing strength = high
Density (dry weight) = 53-60 lbs/cu. ft
Shrinkage, Radial = moderate
Shearing strength (parallel to grain) = medium
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = hard
Bending strength (MOR) = medium
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = small
Shrinkage, Radial = large
Bending strength (MOR) = high
Shrinkage, Tangential = small
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = medium
Density (dry weight) = 46-52 lbs/cu. ft.


Numerical Data
ItemGreenDryEnglish
Bending Strength1101617122psi
Density53lbs/ft3
Hardness2318lbs
Maximum Crushing Strength68999945psi
Shearing Strength2205psi
Stiffness204123511000 psi
Weight5242lbs/ft3
Radial Shrinkage4%
Tangential Shrinkage8%
ItemGreenDryMetric
Bending Strength7741203kg/cm2
Density849kg/m3
Hardness1051kg
Maximum Crushing Strength485699kg/cm2
Shearing Strength155kg/cm2
Stiffness1431651000 kg/cm2
Weight833673kg/m3
Radial Shrinkage4%

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

Banks, C.H.,1954,The Mechanical Properties of Timbers with Particular Reference to those,grown in the Union of South Africa,Journal of the South African Forestry Association,No. 24 pp.44-65,[South,African Forestry Journal]

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

Chalk, L. et al.,1935,Fifteen South African High Forest Timber Trees,Forest Trees and Timbers of the British Empire, Imperial Forestry,Institute, Oxford,Part 3

Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9

Palgrave, K.C.,1977,Trees of Southern Africa,Cape Town South Africa

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

Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7