 
European birch (Betula sp.)
Family: Betulaceae
Common names: Birch, English birch, European birch, Finnish birch, Swedish birch
Distributed in: Finland, Russia, Spain, Sweden, United Kingdom (Eastern Europe, Mediterranean Sea Region, Western Europe)
Distribution overview: Europe (excluding the Mediterranean), North America, temperate Asia, and India, Pakistan, Sri Lanka.
Common uses: Bobbins, Broom handles, Brush backs & handles, Cabinetmaking, Dowells, Flooring, Furniture , Joinery, Marquetry, Paneling , Plywood, Posts, Turnery, Veneer
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 200-250 cm
Colors: the heart isRed, Very light brownand the sapwoodColor not distinct from heartwood
.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Susceptible to insect attack, resistant to powder-post beetle
Odor: No specific smell or taste
Kiln Schedules: UK=F (4/4)
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Moderate to severe distortion, Splitting
Ease of Drying: Slowly
Blunting Effect: Blunting effect on sawing is moderate
Boring: Worked surfaces are woolly
Cutting Resistance: Surfaces tend to be woolly
Gluing: Good properties
Nailing: Fairly Easy to Very Easy, Pre-boring recommended when nailing close to edges of material with irregular grain
Planing: Wood tends to be woolly
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Easy to Work
Veneering qualities: Can be sliced into highly decorative veneers for paneling
Steam bending: Good if free of pin knots and irregular grain
Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Very good
Polishing: Good; Staining: Staining properties are good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
|
0,61 |
|
Density |
|
641 |
kg/m3 |
Bending Strength |
595 |
1165 |
kg/cm2 |
Crushing Strength |
252 |
574 |
kg/cm2 |
Hardness |
|
546 |
kg |
Impact Strength |
73 |
101 |
cm |
Shearing Strength |
|
142 |
kg/cm2 |
Stiffness |
106 |
142 |
1000 kg/cm2 |
Tangential Shrinkage |
|
|
% |
Radial Shrinkage |
|
|
% |
Weight |
|
|
kg/m3 |
Maximum Load |
0,91 |
1,26 |
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 8472 | 16572 | psi | Density | | 40 | lbs/ft3 | Hardness | | 1205 | lbs | Impact Strength | 29 | 40 | inches | Maximum Crushing Strength | 3594 | 8175 | psi | Shearing Strength | | 2027 | psi | Stiffness | 1509 | 2024 | 1000 psi | Work to Maximum Load | 13 | 18 | inch-lbs/in3 | Specific Gravity | | 0.61 | | Weight | 47 | 40 | lbs/ft3 | |
Heavy Hardness = medium Density = high Compression strength (parallel to grain) = high Bending strength (MOR) = very high
Strength properties are comparable to those of European beech (Fagus). Seasoned Silver birch is similar to Ash (Fraxinus) in toughness
British Woodworking Federation. 1995. Which Wood . Published by the British Woodworking Federation, Broadway House, Tothill Street, London.HMSO. 1981. Handbook of Hardwoods, 2nd Edition. Revised by R.H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.HMSO. 1985. Broadleaves. Forestry Commission Booklet No. 20. Text by H.E. Edlin. Revised by A.F. Mitchell. Forestry Commission, Her Majesty's Stationery Office, London.Lavers, G.M. 1967. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50 (Spersedes Bulletin No. 45). Ministry of Technology, Her Majesty's Stationery Office, London.Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc. Fresno, California.Nairn, P.M., Editor. 1936. Wood Specimens - 100 Reproductions in Color -A Series of Selected Timbers Reproduced in Natural Color with Introduction and Annotations by H.A. Cox. The Nema Press, Proprietors of Wood, London.
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