Ceratopetalum (Ceratopetalum apetalum)
Family: Cunoniaceae
Common names: Ceratopetalum, Coachwood, Leather jacket, Rose mahogany, Satinwood, Scented satinwood
Distributed in: Australia (Oceania and S.E. Asia)
Common uses: Agricultural implements, Boat building (general), Broom handles, Cabinetmaking, Chairs, Flooring, Flooring: industrial heavy traffic, Furniture, Handles: general, Joinery, Millwork, Moldings, Paneling, Plywood corestock, Plywood, Plywood: veneer (marine), Sporting Goods, Textile equipment, Turnery, Vehicle parts, Veneer, Veneer: decorative
Environment profile: Vulnerable
Tree size: Trunk diameter is 300-350 cm
Colors: the heart isReddish brown, Yellowand the sapwoodWhite, Yellow.The grain isStraight, the textureUniformand the lusterSlightly lustrous
Natural durability: Susceptible to insect attack, Very durable
Kiln Schedules: Kiln Drying Rate (in days) is rapid
Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)
Drying Defects: Slight twist/warp, Splitting
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Comments: General finishing qualities are rated as satisfactory
Blunting Effect: Moderate
Boring: Fairly easy to very easy
Carving: Fairly Easy to Very Easy
Cutting Resistance: Fairly Difficult to Very Difficult to saw
Gluing: Fairly Easy to Very Easy
Mortising: Very Good to Excellent
Moulding: Moulding ease is moderate
Movement in Service: Moulding ease is moderate
Nailing: Holds nails well, Very Good to Excellent
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Resistant sapwood
Resistance to Splitting: Poor
Response to hand tools: Responds Readily
Routing recessing: Fairly Easy to Very Easy
Sanding: Very Good to Excellent Results
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Poor
Screwing: Screwing yields good results, Very Good to Excellent Results; Turning: Fairly Easy to Very Easy
Painting: Surface Preparation; Polishing: Very Good to Excellent; Staining: Very Good to Excellent; Varnishing: Surface Preparation;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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| Item |
Green |
Dry |
Metric |
| Specific Gravity |
|
|
|
| Density |
|
641 |
kg/m3 |
| Bending Strength |
617 |
965 |
kg/cm2 |
| Crushing Strength |
310 |
491 |
kg/cm2 |
| Hardness |
|
451 |
kg |
| Impact Strength |
|
|
cm |
| Shearing Strength |
|
139 |
kg/cm2 |
| Stiffness |
113 |
131 |
1000 kg/cm2 |
| Tangential Shrinkage |
|
|
% |
| Radial Shrinkage |
6 |
|
% |
| Weight |
624 |
496 |
kg/m3 |
| Maximum Load |
0,63 |
0,84 |
cm-kg/cm3 |
| Toughness |
|
239 |
cm-kg |
| Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | | Item | Green | Dry | English | | Bending Strength | 8777 | 13736 | psi | | Density | | 40 | lbs/ft3 | | Hardness | | 995 | lbs | | Maximum Crushing Strength | 4413 | 6988 | psi | | Shearing Strength | | 1989 | psi | | Stiffness | 1614 | 1864 | 1000 psi | | Toughness | | 208 | inch-lbs | | Work to Maximum Load | 9 | 12 | inch-lbs/in3 | | Weight | 39 | 31 | lbs/ft3 | | Radial Shrinkage | 6 | | % | | Tangential Shrinkage | 10 | | % | |
Density (dry weight) = 38-45 lbs/cu. ft. 1 Modulus of Elasticity (stiffness) = mediun Crushing strength = medium Bending strength (MOR) = medium Hardness (side grain) = soft Shearing strength (parallel to grain) = medium Toughness (total work) = medium Toughness (total work) = low Shrinkage, Tangential = large Shrinkage, Radial = fairly large Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = low Max. crushing strength (stiffness) = very low Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 31-37 lbs/cu. ft. Crushing strength = high Bending strength (MOR) = low
Australia - N.S.W. Forestry Commission,1968,Working Properties of some Native and Imported Timbers,Forestry Commission of New South Wales, Technical Publication No.8Australia - N.S.W. Forestry Commission,1988,Furniture Timbers of New South Wales,Forest Commission, N.S.W., Aust. Tech. Publication No.1Boas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, MelbourneBolza, E., Kloot, N.H.,1963,The Mechanical Properties of 174 Australian Timbers,C.S.I.R.O. Division of Forest Products Technological Paper,No.25Brown, W.H.,1978,Timbers of the World, No. 8 Australasia,TRADA, Red Booklet SeriesClifford, N.,1953,Commercial Hardwoods - Their Characteristics Identification and,Utilization,Sir Isaac Pitman & Sons Ltd. LondonCox, H.A.,1939,A Handbook of Empire Timbers,Forest Products Research Laboratory, Princes RisboroughForestry Commission of New South Wales,1987,Timbers used in New South Wales for Domestic Buildings,Forestry Commission of New South Wales, Technical Publication No.6Gay, F.J., Et al,1955,Standard laboratory colonies of termites for evaluating the resistance of,timber, timber preservatives and other materials to termite attack.,C.S.I.R.O., Australia Bulletin,No.277I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingLavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)Mawby, M.,Development of dynamic hardness measurement methods for wood,N.S.W. Forestry Commission, Div. Wood Technology Project TM14, Sub project,14-1, progress report No.2.Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. LondonThe Australian Timber Journal & Building Products, Merchandiser,1969,Timber Durability and Preservation,Supplement to Australian Timber Journal 35(4) Tech. Timb. Guide No.8
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