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Ditta 5
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Ditta 4
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Ditta 1
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Ditta 0
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Berangan
Berangan (Castanopsis acuminatissima)

Family: Fagaceae

Common names: Berangan, Evergreen chinkapin, Indian chestnut, New Guinea oak, Philippine chestnut, Thite

Distributed in: Malaysia (Oceania and S.E. Asia)

Distribution overview: India, Pakistan, Sri Lanka to Indomalesia.

Common uses: Balusters, Barrels, Beams, Bedroom suites, Boat building, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Casks, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Core Stock, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Exterior trim & siding, Exterior uses, Factory construction, Figured veneer, Fine furniture, Furniture , Joinery, Ladders , Light construction, Paneling , Shakes, Shingles, Shipbuilding, Tool handles, Turnery, Veneer

Product sources: Seldom available in quantities that would make it commercially valuable.

Environment profile: Questionable

Tree size: Tree height is 20-30 m

Colors: the heart isGreen/grey, Pinkish brownand the sapwoodStraw colored to grayish-white, White.The grain isStraight, the textureUneven

Natural durability: Susceptible to termite attack, Very durable

Odor: No taste

Drying Defects: Honeycombing possible, Prone to checking

Ease of Drying: Requires slow to moderate drying schedule.

Comments: Castanopsis acuminatissima is a true oak, and is closely related to species in the genus Quercus of the northern hemisphere

Blunting Effect: Blunting effect on cutting edges is rated as moderate to high

Boring: Fairly easy to very easy

Carving: Good carving qualities

Cutting Resistance: Moderate to fairly difficult to saw

Gluing: Poor to Very Poor Results

Mortising: good

Moulding: Good moulding properties

Movement in Service: Good moulding properties

Nailing: Difficult to nail, Nails hold poorly

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Sapwood is permeable

Routing recessing: Routing yields good results

Sanding: Good sanding finish

Screwing: Poor screw holding properties ; Turning: Good results

Polishing: Good; Staining: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,5 0,56
Density 512 kg/m3
Bending Strength 565 950 kg/cm2
Crushing Strength 279 569 kg/cm2
Hardness 400 kg
Impact Strength cm
Shearing Strength 93 kg/cm2
Stiffness 119 154 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness 164 cm-kg
Static Bending 413 682 kg/cm2
Item Green Dry English
Bending Strength 8036 13524 psi
Density 32 lbs/ft3
Hardness 882 lbs
Maximum Crushing Strength 3979 8095 psi
Shearing Strength 1323 psi
Static Bending 5880 9702 psi
Stiffness 1705 2195 1000 psi
Toughness 143 inch-lbs
Specific Gravity 0.5 0.56
Weight 31 25. lbs/ft3

Weight = medium
Hardness (side grain) = medium
Compression strength (parallel to grain) = high
Bending strength (MOR) = high
The wood resists denting and marring about as well as white oak or birch and has a high density

Bolza, E. and N. H. Kloot.1966.The Mechanical Properties of 81 New Guinea Timbers.Technological Paper No. 41.Division of Forest Products, Commonwealth Scientific & Industrial Research Organization, Melbourne, Australia.Eddowes, P. J.1977.Commercial Timbers of Papua New Guinea - Their Properties and Uses.Forest Products Research Center, Office of Forests, Department of Primary Industry, Papua New Guinea.Keating, 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,1
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