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Ditta 5
Indirizzo: via dei platani 4 liguria
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Ditta 1
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CurupayCurupay
Curupay (Anadenanthera macrocarpa)

Family: Leguminosae

Common names: Angico, Angico preto, Angico prieto, Angico-bravo, Angico-preto-rajado, Angico-rajado, Angico-vermelho, Cambui-ferro, Cebil, Cebil Colorado, Cebil moro, Curupay, Curupay ata, Curupay negro, Curupay-ata, Dark angico, Guarapiraca

Distributed in: Argentina, Bolivia, Brazil, Paraguay, Peru (Latin America)

Distribution overview: Has a wide distribution in Argentina and is also found in the subtropical and dry forests of Brazil and Paraguay.

Common uses: Agricultural implements, Barge fenders, Boat building (general), Boat building: framing, Bridge construction, Building construction, Building materials, Cabin construction, Cabinetmaking, Chemical containers, Construction, Crossties, Docks, Dockwork, Domestic flooring, Door, Exterior trim & siding, Exterior uses, Factory construction, Flooring, Flooring: commercial heavy traffic, Foundation posts, Furniture, Handles, Harbor work, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Lock gates, Marine construction, Mine timbers, Naval architecture, Parquet flooring, Piling, Poles, Posts, Raft floats, Rafts, Railroad ties, Shafts/Handles, Shakes, Sheathing, Shingles, Siding, Stakes, Structural work, Sub-flooring, Tannin, Tool handles, Turnery, Vehicle parts, Wharf construction

Product sources: The ITTO reports that timber production from this species is irregular. Export potential is rated as fair. Espave is rather abundant and grows on accessible terrain which makes it easy to harvest. It is, however, not very prominent on the world market because it has uses that compete with the less expensive and more abundant Lauan (Shorea spp). Its properties are less desirable than other woods for cabinet making.The tree of Espave is also the source of various non-timber products. It produces edible apples and nuts, and the macerated bark is used as a type of fish poison in Panama.

Environment profile: Status unknown in many of its growth areas

Tree size: Tree height is 30-40 m

Colors: the heart isReddish brown, Turn reddish brown upon exposureand the sapwoodWhite to yellow, Yellow.The grain isModerately to severely interlocked, the textureMediumand the lusterMedium

Natural durability: Very durable, Very high natural resistance

Odor: No specific smell or taste

Kiln Schedules: Uk=G US=T8B3/T5B1

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Slight twist/warp, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: High to severe

Boring: Fairly difficult to very difficult

Carving: Fairly difficult to carve

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Mortising: Fairly Difficult to Very Difficult

Moulding: Fairly Difficult to Very Difficult

Movement in Service: Fairly Difficult to Very Difficult

Nailing: Pre-Boring Recommended, Pre-boring recommended

Planing: Fairly Difficult to Very Difficult

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Poor

Response to hand tools: Fairly Difficult to Difficult to Work

Routing recessing: Routing is difficult

Veneering qualities: Veneers easily, Veneers moderately easy

Screwing: Difficult to screw, Fairly Difficult to Very Difficult; Turning: Good results

Polishing: Very Good to Excellent; Staining: Finish is generally satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,72
Density 993 kg/m3
Bending Strength 1430 1879 kg/cm2
Crushing Strength 690 934 kg/cm2
Hardness 1551 kg
Impact Strength 192 cm
Shearing Strength 219 kg/cm2
Stiffness 167 188 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 4 %
Weight 977 801 kg/m3
Maximum Load 2,53 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 20349 26732 psi
Density 62 lbs/ft3
Hardness 3420 lbs
Impact Strength 76 inches
Maximum Crushing Strength 9822 13290 psi
Shearing Strength 3117 psi
Stiffness 2382 2683 1000 psi
Work to Maximum Load 36 inch-lbs/in3
Specific Gravity 0.72
Weight 61 50 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 12 %

Max. crushing strength = high 1
Modules of Elasticity = High
Density (dry Weight) = >50 lbs/cu. ft
Shrinkage, Volumetric = large
Shrinkage, Tangential = fairly large
Shrinkage, Tangential = moderate
Shrinkage, Volumetric = moderate
Modulus of Elasticity = moderate
Hardness (side grain) = Hard
Bending strength (MOR) = high

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.48Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building ResearchBoone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods -Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.Celulosa Argentina,1973,Libro del Arbol,Celulosa Argentina Buenos Aires 3 VolsChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Farmer, R.H.,1972,Handbook of Hardwoods,HMSOForest Products Research Laboratory, U.K.,1969,The Movement of Timbers,Forest Products Research Laboratory, Princes Risborough Technical Note,No.38Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research EstablishmentFrance - C.T.F.T.,1973,Investigations and Tests carried out on Tropical Timber by several,Research Laboratories,CTFTHMSO. 1981. Handbook of Hardwoods, 2nd Edition. revised by R.H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.Koehler, A.,1928,Tests on six Argentina Woods,Tropical Wood 2(14) pp15-20Lavers, G.M. 1966. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50. Ministry of Technology, Her Majesty's Stationery Office, London. (Air-dry values only)Lavers, 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)Mainieri, C., Pereira, J.A.,1965,Madeiras do Brasil,Anuario Brasileiro de Economia Florestal,17(17,PP135-416Mainieri, C.,1970,Madeiras Brasilieras,Sao Paulo Secretaria da Agricultra, Institulo FlorestralMainieri, C.,1978,Fichas de Caracteristicas das Madeiras Brasileiras,Inst. Pesquisas TechnologicasMcElwee et al, R.L., Isenberg (revised by M.L. Harder & L. Lounden, I.H.,1956,Estudio Fisico y Mecanico de las Especies Forestales del Genero,'Piptadenia',Anales de la Admin. NAC. de Bosques Argentina,pp63-84Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRizzini, C.T.,1978,Arvores e Madeiras Uteis do Brasil: Manual de Dendrologia Brasileira,Editora Edgard Blucher LTDA BrazilSao Paulo - Instituto de Pesquisas Tecnologicas,1956,Tabelas de Resultados obtidos para Madeiras Nacionais,Inst. Pesq. Tec. Sao Paulo, Brazil Bol., No.31(2nd Ed.)Smith, D.N.,1959,The Natural Durability of Timber,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Record,No.30Takahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4Timber Development Association Ltd.,1955,World Timbers (3 Vols.,Timber Development Association Ltd.Tortorelli, L.,1956,Maderas y Bosques Argentinos,Editorial Acme S.A.C.I. Buenos AiresWCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.Wise, L.E., Ratliff, E.K.,1947,Summative Analysis of Quebrancho Wood,Tropical Woods 12(91) pp40-45
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