Athuchangalai (Hydnocarpus alpina)
Family: Flacourtiaceae
Common names: Athuchangalai, Gomma, Kattu-marotti, Koranguthalai, Mala-marotti, Malmmurutti, Maratalti, Maravetti, Muchathunika, Sanua solti, Ttuchankalai
Distributed in: India, Malaysia, Sri Lanka (Oceania and S.E. Asia)
Common uses: Boat building (general), Boxes and crates, Carvings, Fuelwood, Heavy construction, Light construction, Mathematical instruments, Moldings, Sporting Goods, Structural work
Tree size: Tree height is 0-10 m
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood
.The grain isStraight, the textureFineand the lusterMedium
Natural durability: Moderately durable, Non durable
Drying Defects: Moderate end spitting
Ease of Drying: Difficult
Comments: General finishing qualities are rated as good General finishing qualities are rated as satisfactory
Cutting Resistance: Cutting Resistance with green wood is easy
Mortising: Easy to mortise
Moulding: Easy to mould
Movement in Service: Easy to mould
Response to hand tools: Easy to machine
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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753 |
kg/m3 |
Bending Strength |
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kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
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% |
Weight |
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kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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 |  |  |  | Item | Green | Dry | English | Density | | 47 | lbs/ft3 | Weight | 46 | 37 | lbs/ft3 | |
Density (dry weight) = 46-52 lbs/cu. ft.
Anon,1963,Indian Woods: Their Identification, Properties and uses. Vol.II Linaceae,to Moringaceae,Manager of Publications, Delhi, IndiaChowdhury, K.A., Ghosh, S.S.,1958,Indian Woods: Their identification, properties and uses Vol. I,Dilleruaceae to Elaeocarpaceae,Manager of Publications, Delhi, IndiaDesch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Nazma,1981,A handbook of Kerala Timbers,Kerala Forest Research Institute Research Report, No.9Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols
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