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Blunting Effect
Boring
Carving
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Grain
Heartwood Color
Kiln Schedules
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Planing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sapwood Color
Scientific Name
Texture
Trade Name
Tree Size
Turning
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Common Names
Kerandji, Keranji, Khleng, Kralanh, Xoay
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Indonesia, Malaysia, Philippines
Common Uses
Building construction, Building materials, Cabin construction, Construction, Domestic flooring, Excelsior, Factory construction, Factory flooring, Flooring, Handles, Heavy construction, Joinery, Mine timbers, Parquet flooring, Pile-driver cushions, Piling, Poles, Shafts/Handles, Sub-flooring, Tool handles, Truck bodies, Utility poles, Vehicle parts
Environmental Profile
| Abundant/Secure |
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| Status has not been officially assessed |
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Distribution Overview
Malay Peninsula, with a growth range that extends into Indonesia, Sabah and Sarawak. They are usually found on hills and flatlands.
Heartwood Color
| Brown |
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| White |
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| Purple |
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| Red |
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| Turn reddish brown upon exposure |
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Sapwood Color
| Brown |
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| White |
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| Darkens after exposure |
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| Clearly differentiated from the heartwood |
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1.5 to 3 inches (3.8 to 7.6 cm) in width
Grain
| Closed |
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| Interlocked |
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| Wavy |
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| Figure |
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| Rippled (figure) |
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| Rippled figure |
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| May be wavy or curly |
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| Interlocked |
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Ripple marks are prominent on flat-sawn surfaces, and quartersawn surfaces often exhibit a ribbon figure
Texture
| Coarse |
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| Even or uniform |
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| Uniform |
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| Medium |
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| Moderately fine |
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Natural Durability
| Perishable |
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| Non-resistant to powder post beetles |
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| Non-durable |
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The heartwood is only moderately durable in contact with the ground in the tropics, but it is durable elsewhere. The sapwood is susceptible to attack by powder-post beetle
Odor
| No specific smell or taste |
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Kiln Schedules
| T6 - D2 (4/4) US/T6 - D2 (4/4) US |
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Drying Defects
| Distortion |
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| Checking |
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| Splitting |
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The material may split and check during drying and should be seasoned carefully
Ease of Drying
| Little degrade |
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| Radial and tangential shrinkage from 4-7% |
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| May split while drying |
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Tree Size
| Bole length is 20-30 m |
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| Tree height is 30-40 m |
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Stems are often of poor form, and are clear to about 55 feet (16 m)
Product Sources
Species in the Dialium genus are reported to produce timber with very similar charateristics, and are mixed and marketed together under the trade name of Kerandji.
Comments
The timber has high resistance to shock
Timber has high resistance to shock
Blunting Effect
The timber is reported to blunt cutting edges rather rapidly.
Boring
| Fairly easy to very easy |
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| Fair to good results |
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| Use very sharp cutting edges to prevent grain from tearing |
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Carving
Cutting Resistance
| Easy to saw |
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| Cutting Resistance with dry wood is difficult |
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Specially tipped saws are recommended.
Mortising
Moulding
Movement in Service
Nailing
| Fair to Good Results |
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| Poor to Very Poor Results |
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Planing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Planed surfaces are moderately smooth |
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A 20 degree planing angle is recommended
Resistance to Impregnation
| Permeable heartwood |
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| Permeable sapwood |
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| Resistant |
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Response to Hand Tools
Routing & Recessing
Turning
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Good results |
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| Cutting Edges Tend to Blunt |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 20998 | 26656 | psi |
| Crushing Strength | 2812 | 4367. | psi |
| Density | | 59 | lbs/ft3 |
| Impact Strength | 62 | | inches |
| Maximum Crushing Strength | 11187 | 17930. | psi |
| Static Bending | 13596 | 21198. | psi |
| Stiffness | 2821 | 3335. | 1000 psi |
| Work to Maximum Load | 18 | | inch-lbs/in3 |
| Specific Gravity | 0.72 | | |
| Weight | 74 | 58 | lbs/ft3 |
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| Item | Green | Dry | Metric |
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| Bending Strength | 1476 | 1874 | kg/cm2 |
| Crushing Strength | 197 | 307. | kg/cm2 |
| Density | | 945 | kg/m3 |
| Impact Strength | 157 | | cm |
| Maximum Crushing Strength | 786 | 1260. | kg/cm2 |
| Static Bending | 955 | 1490. | kg/cm2 |
| Stiffness | 198 | 234. | 1000 kg/cm2 |
| Work to Maximum Load | 1.26 | | cm-kg/cm3 |
| Specific Gravity | 0.72 | | |
References
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
Desch, H. E. 1957. Manual of Malayan Timbers - Volume I. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore.
Desch, H. E. 1957. Manual of Malayan Timbers. Malayan Forest Records, 28(30):315-318. Malaya Publishing House Ltd., Singapore.
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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