   
NarraAndaman padauk (Pterocarpus indicus)
Family: Leguminosae
Common names: Amboyna, Andaman padauk, Andaman redwood, Angsama, Angsana, Chalanga-da, East Indian mahogany, Indian redwood, Liki, Nara, Narra, Narravitail, New Guinea rosewood, Nonalu, Padauk, Papua New Guniea rosewood, Red narra, Ringii, Rosewood, Sena, Solomons padauk, Sonokembang, Vermilion wood, Warave, Yaya sa, Yellow narra
Distributed in: India, Indonesia, Madagascar, Malaysia, Myanmar, Papua New Guinea, Philippines, Solomon Islands, Thailand (Oceania and S.E. Asia)
Distribution overview: This species is one of about 60 in the Pterocarpus genus, which consists of small to large trees distributed throughout the tropics. Pterocarpus indicus is indigenous to Malaysia, but is also found in the Philippines, Borneo, Burma, New Guinea, and the Malay Archipelago. It is also often planted as an ornamental and a shade tree in several regions, including India, along roadsides, and in gardens because of its flowers and handsome foliagePterocarpus is a genus of over 60 species consisting of small and large trees that are distributed throughout the tropical regions of the world. Pterocarpus dalbergioides is confined to and common in the deciduous and semi-deciduous forests of the Andaman Islands. It is described as the principal timber tree on the islands and is usually found growing on or near riverbanks. also reported to cultivated on a small scale, mostly in gardens, in mainland India.
Common uses: Bedroom suites, Boat building (general), Boat building, Boat building: framing, Boxes and crates, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Carvings, Casing, Ceiling, Chairs, Chests, Concealed parts (Furniture), Construction, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Drum sticks, Excelsior, Exterior trim & siding, Exterior uses, Factory construction, Factory flooring, Figured veneer, Fine furniture, Fixtures, Floor lamps, Flooring, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery (external): ground contact, Joinery, Joists, Kitchen cabinets, Lifeboats, Light construction, Living-room suites, Millwork, Mine timbers, Moldings, Musical instruments , Musical instruments, Musical instruments: piano, Novelties, Office furniture, Organ pipes, Paneling, Parquet flooring, Piano keys, Pianos , Plywood, Plywood: veneer (marine), Poles, Pulp/Paper products, Radio - stereo - TV cabinets, Rustic furniture, Sounding boards, Tables, Turnery, Vehicle parts, Veneer, Veneer: decorative
Product sources: Supplies of Andaman padauk are rather limited, and when available, it is often priced in the costly range.
Environment profile: Status unknown in parts of its range
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite/Straw , Yellow.The grain isWavy, the textureModerately fine to moderately coarse and uneven and the lusterSlightly lustrous
Natural durability: Susceptible to marine borer attack, Very durable
Odor: No distinctive taste
Kiln Schedules: UK=F US=T6D4/T3D3 Fr=6
Kiln Drying Rate: Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm)
Drying Defects: Slight surface checking, Slight twist/warp
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Comments: General finishing qualities are rated as good General finishing qualities are rated as poor
Blunting Effect: Slight
Boring: Good boring qualities
Carving: Very easy to impregnate with preservatives
Cutting Resistance: Generally good sawing characteristics
Gluing: Satisfactory gluing properties
Mortising: Fairly Easy to Very Easy
Moulding: Moulds easily with ordinary tools
Movement in Service: Moulds easily with ordinary tools
Nailing: Holds nails well, Possible if prebored
Planing: Torn grain common in quartersawn material
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Moderate working qualities
Routing recessing: Routing yields good results
Sanding: Good sanding finish
Veneering qualities: Easy to cut
Steam bending: Moderate
Screwing: Holds screws well, Screwing yields good results; Turning: Material with interlocked grain requires extra attention
Painting: Fair to Good; Polishing: Satisfactory; Staining: Stains well; Varnishing: Fairly Easy to Very Easy;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
0,55 |
0,59 |
|
Density |
|
673 |
kg/m3 |
Bending Strength |
724 |
977 |
kg/cm2 |
Crushing Strength |
67 |
102 |
kg/cm2 |
Hardness |
|
711 |
kg |
Impact Strength |
73 |
73 |
cm |
Shearing Strength |
|
100 |
kg/cm2 |
Stiffness |
104 |
119 |
1000 kg/cm2 |
Tangential Shrinkage |
4 |
|
% |
Radial Shrinkage |
3 |
|
% |
Weight |
673 |
673 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
391 |
cm-kg |
Static Bending |
449 |
579 |
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 10310 | 13896 | psi | Crushing Strength | 958 | 1454 | psi | Density | | 42 | lbs/ft3 | Hardness | | 1568 | lbs | Impact Strength | 29 | 29 | inches | Maximum Crushing Strength | 5963 | 8446 | psi | Shearing Strength | | 1434 | psi | Static Bending | 6389 | 8247 | psi | Stiffness | 1492 | 1702 | 1000 psi | Toughness | | 340 | inch-lbs | Specific Gravity | 0.55 | 0.59 | | Weight | 42 | 42 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 4 | | % | Volumetric Shrinkage | 6 | | % | |
Density (dry weight) = 46-52 lbs/cu. ft. 0 Modulus of Elasticity (stiffness) = low 0 Bending strength (MOR) = medium 0 Max. crushing strength = high 1 Density (dry weight) = 38-45 lbs/cu. ft. 1 Density (dry weight) = 31-37 lbs/cu. ft. Shrinkage, Tangential = very small Max. crushing strength = medium Hardness (side grain) = medium Shrinkage, Radial = small Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = medium Hardness (side grain) = hard Bending strength (MOR) = low Toughness-Hammer drop (Impact Strength) = low Shrinkage, Radial = very small Shearing strength (parallel to grain) = very low Resists denting and marring Density = high Bending strength (MOR) = high Heavy Compression strength (parallel to grain) = very high Compression strength (parallel to grain) = high
Modulus of Elasticity (stiffness) = high
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