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Aramana
Aramana (Cassia siamea)

Family: Leguminosae

Common names: Aramana, Beati, Bois perdrix, Bombay blackwood, Bujuk, Casia siamea, Cassia, Cassia siamea, Djohar, Jahar, Kassod, Kilet, Manja konnei, Manja-konna, Manji konne, Melali, Mezali, Muong, Muongten, Pink cassia, Tagayasan, Thagara, Vakai, Wa

Distributed in: Australia, Burma, Chile, Cuba, Fiji [Polynesia], India, Japan, Malaysia, Nigeria, Sri Lanka, Uganda (Africa, Latin America, Oceania and S.E. Asia)

Common uses: Boat building (general), Cabinetmaking, Carvings, Charcoal, Fuelwood, Furniture, Heavy construction, Joinery, Light construction, Musical instruments, Particleboard, Poles, Pulp/Paper products, Sporting Goods, Tool handles, Turnery, Veneer: decorative, Walking sticks

Tree size: Trunk diameter is 200-250 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureMedium to coarseand the lusterLustrous

Natural durability: Susceptible to insect attack, Very durable

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Splitting

Ease of Drying: Slowly

Blunting Effect: High to severe

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Nailing: Holds nails well, Pre-boring recommended

Planing: Poor to Very Poor

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Moderate working qualities

Screwing: Screwing yields good results ;

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 785 kg/m3
Bending Strength 565 883 kg/cm2
Crushing Strength 494 713 kg/cm2
Hardness 677 kg
Impact Strength 88 cm
Shearing Strength 139 kg/cm2
Stiffness 91 105 1000 kg/cm2
Tangential Shrinkage 7 %
Radial Shrinkage 4 %
Weight 769 624 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 8049 12564 psi
Density 49 lbs/ft3
Hardness 1493 lbs
Impact Strength 35 inches
Maximum Crushing Strength 7040 10148 psi
Shearing Strength 1989 psi
Stiffness 1299 1505 1000 psi
Weight 48 39 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 12 %

Bending strength (MOR) = low
Density (dry weight) = 46-52 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.
Bending strength (MOR) = medium
Bending strength (MOR) = high
Density (dry weight) = 53 - 60 lbs

Bolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. AustraliaBourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government PressBurgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15E.H. Walker,1954,Important Trees of the Ryukyu Islands,United States Civil Administration of the Ryukyu Islands Special Bulletin,No. 3France - Comite Nacional des Bois Coloniaux,1931,Etude Physique et Mecanique des Bois Coloniaux,Assoc. Colonies-Sciences & Comite National des Bios Coloniaux, Paris,,FranceKeating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1McCann, C.,1947,Trees of India: A Popular Handbook,D.B.Taraporevala Sons & Co. BombayNegi, G.S., Bhatia, D.N.,1958,Physical and Mechanical Properties of Woods tested at F.R.I. Report No.10,Indian Forest Records (N.S.) Timber Mechanics,1(11,pp171-18Ramesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TStadelman, R.C.,1966,Forests of South-East Asia,Wimmer Bros., Memphis TennesseeStreets, R.J.,1962,Exotic Forest Trees in the British Commonwealth,Clarendon Press OxfordSwabey, C.,1941,The Principal Timbers of Jamaica,Department of Science and Agriculture Jamaica Bulletin No.29Wood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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