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Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 4
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Ditta 2
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Ditta 1
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Ditta 0
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Afzelia
Afzelia (Afzelia spp.)

Family: Leguminosae

Common names: Afzelia, Aligna, Apa, Azza, Beyo, Chanfuta, Counterwood, Doussie, Kontah, Mbambakofi, Meli, Mkola, Mkora, Mussacossa, Waterside ekpagoise, Welu, Yoruba bilinga

Distributed in: Cameroon, Central African Republic, Mozambique, Nigeria, Tanzania, Uganda (Africa)

Distribution overview: West, Central, and East Africa.￿ Occurs in the dense evergreen forests but also common in the savanna and coastal forests of East Africa.

Common uses: Boat building (general), Boxes and crates, Cabinetmaking, Flooring, Furniture, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Marine construction, Millwork, Musical instruments, Paneling, Railroad ties, Tables, Turnery, Vats, Veneer: decorative

Product sources: Exported on a regular basis.

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureMedium to coarseand the lusterMedium

Natural durability: Very durable, Very durable

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Slight surface checking, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is buttressed

Blunting Effect: Moderate

Boring: Fairly easy to very easy

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Fairly Easy to Very Easy

Mortising: Very Good to Excellent

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Fairly Difficult to Very Difficult, Fairly Easy to Very Easy

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Moderate working qualities

Sanding: Very Good to Excellent Results

Steam bending: Very poor


Polishing: Satisfactory; Staining: Poor to Very Poor;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 753 kg/m3
Bending Strength 804 1248 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 752 kg
Impact Strength 71 cm
Shearing Strength 155 kg/cm2
Stiffness 106 122 1000 kg/cm2
Tangential Shrinkage 4 %
Radial Shrinkage 2 %
Weight 737 608 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 11442 17761 psi
Density 47 lbs/ft3
Hardness 1658 lbs
Impact Strength 28 inches
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 2205 psi
Stiffness 1512 1745 1000 psi
Weight 46 38 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %
Volumetric Shrinkage 6 %

Hardness (side grain) = medium
Toughness-Hammer drop (Impact Strength) = low
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Max. crushing strength = high
Shearing strength (parallel to grain) = medium
Modulus of Elasticity (stiffness) = medium
Modulus of Elasticity (stiffness) = low
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = medium
Bending strength (MOR) = high
Shrinkage, Volumetric = small

Arkwright, P.,1962,Know your Timber - Afzelia,Woodworking Industry,19(7, p415Armstrong, F.H.,1951,Resistance to Wear of Afzelia as Flooring,Wood,16(9, pp338-9Armstrong, F.H.,1960,The Strength Properties of Timber,Forest Products Research Laboratory, London Bulletin,No.45Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Forest Products Research Laboratory, U.K.,1951,Afzelia,Forest Products Research Laboratory, Princes Risborough, Timber Leaflet,1(6)1-3 & Report 6/5/45I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingKribs, D.A.,1950,Commercial and Foreign Woods on the American Market (a manual to their,structure, identification, uses and distribution,U.S.A. Penn. State College, Tropical Woods LaboratoryLavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)McCoy-Hill, M.,1962,The Protection of Timber from Marine Borer Damage in East African,Waters,8th Brit. Commw. Forestry Conf. East AfricaOliver, A.C.,1974,Timber for Marine and Freshwater Construction,TRADA, LondonSpalt, H.A., Stern, W.L.,1956,Survey of African woods 1,Tropical Woods,115(105,pp 13-38Uganda Forest Department,1954,Flooring Timbers,Uganda Forest Department Timber Leaflet,No.17Unwin, A.H.,1920,West African Forests and Forestry,T. Fisher Unwin Ltd. London
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