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AfromosiaAfromosia
Afromosia (Pericopsis angolensis)

Family: Leguminosae

Common names: Afromosia, Chianga, Chiwanga, East African afrormosia, Mbanga, Mmanga, Muanga, Mubamku, Muvanga, Muwanga, Mwanga, Umbanga

Distributed in: Central African Republic, Tanzania, Zaire, Zimbabwe (Africa)

Common uses: Agricultural implements, Boat building (general), Boxes and crates, Cabinetmaking, Canoes, Carvings, Charcoal, Decks, Flooring, Flooring: commercial heavy traffic, Fuelwood, Furniture, Heavy construction, Joinery, Light construction, Marine construction, Millwork, Mine timbers, Musical instruments, Plywood, Poles, Posts, Railroad ties, Sporting Goods, Tool handles, Turnery, Vats, Vehicle parts, Veneer: decorative, Wheel spokes, Wheels

Colors: the heart isPale brown, Yellow to golden-yellow to orangeand the sapwoodWell defined, White to yellow.The grain isStraight, the textureUniform

Natural durability: Resistant to attack from termites (Isoptera), Very durable

Kiln Schedules: UK=J US=T10D5S/T8D4S Fr=4

Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)

Drying Defects: Slight surface checking

Ease of Drying: Easy

Tree Identification: Bole/stem form is unknown

Blunting Effect: Blunting effect on machining is severe

Boring: Easy

Cutting Resistance: Cutting Resistance with dry wood is difficult

Gluing: Easy to glue

Mortising: Easy to mortise

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Difficult to nail, Possible if prebored

Planing: Planes well, to a good finish

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Very Poor

Response to hand tools: Difficult to machine

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Moderate

Turning: Good results

Polishing: Satisfactory; Staining: Finish is generally satisfactory ; Varnishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 865 kg/m3
Bending Strength 671 1046 kg/cm2
Crushing Strength 534 756 kg/cm2
Hardness 1144 kg
Impact Strength 86 cm
Shearing Strength 167 kg/cm2
Stiffness 117 135 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 849 689 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9547 14879 psi
Density 54 lbs/ft3
Hardness 2524 lbs
Impact Strength 34 inches
Maximum Crushing Strength 7596 10755 psi
Shearing Strength 2384 psi
Stiffness 1665 1923 1000 psi
Weight 53 43 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %

Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Modulus of Elasticity (stiffness) = medium
High
Mor/Bending strength = medium
Hardness (side grain) = hard
53-60 lbs/cu. ft.
53-60 lbs/cu. ft.
Shearing strength (parallel to grain) = high
Medium
Density (dry weight) = 61-67 lbs/cu. ft.
Density (dry weight) = 61-67 lbs/cu. ft.
Very hard
Toughness-Hammer drop (Impact Strength) = low
Medium
Max. crushing strength = very high
Low
Low
High
46-52 lbs/cu. ft.
46-52 lbs/cu. ft.
Very high
Small
38-45 lbs/cu. ft.
38-45 lbs/cu. ft.

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.,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]Bois et Forets des Tropiques,1978,Kosipo - Entandrophragma candollei,Bois et Forets des Tropiques No.181,pp29-40Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. MoshiDuff, C.E.,1944,Termite Resistance Test on the Copperbelt of Northern Rhodesia,Empire Forestry Journal,23(2,pp160-2Fanshawe, D.B.,1962,Fifty Common Trees of Northern Rhodesia,Natural Resources Board and Forestry Department, NdolaFerreirinha, M.P.,1955,Catalogo des Madeiras de Mocambique (pt 1,Min. do Ultramar Junta Invest. do Ultranar Memorias Serie Botanica, 2Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Marshall, R.C.,1939,Silviculture of the trees of Trinidad and Tobago - British West Indies,O.U.P.,LondonMcCoy-Hill, M.,1955,Timbers of Tanganyika - Afrormosia and East African Mahogany,Timber Technology,63(2196, pp538-9Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Pardy, A.A.,1952,Notes on Indigenous Trees and Shrubs of S. Rhodesia - Afrormosia,angolensis,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1675Storrs, A.E.G.,1979,Know your Trees - Some of the Common Trees found in Zambia,Zambia Forestry Department, NdolaTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Tanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Tanzania Forest Department,1966,Flooring Timbers,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1966,Afrormosia angolensis (East African Afrormosia - Mbanga,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiWhite, F.,1962,Forest Flora of Northern Rhodesia,O.U.P. London
*Come interpretare i dati (manleva su eventuali imprecisioni)