Chestnut
Scientific name:
Castanea sativa Mill
Geographic origin:
Europe and Asia.
- Sapwood: yellowish white colour.
- Heartwood: brown to salmon-pink brown colour.
- Fiber: straight.
- Characteristic defects: knots and ring shakes.
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Capacity of being impregnated
- Sapwood: capable of being impregnated.
- Heartwood: no capable of being impregnated.
Mechanical properties
- Resistance to static flexion 710 kg/cm2.
- Elasticity module 100,000 kg/cm2.
- Resistance to compression 460 kg/cm2.
- Resistance to parallel traction 1,280 kg/cm2.
Mechanization
- Sawing process: easy and with no difficulties.
- Drying process: slow. Risk of collapse, cementation and inside and outside crack formation.
- Planing process: easy.
- Gluing process: acid wood, risk reacting to alkaline glues.
- Nailing and screwing process: pre-drilling is required.
- Finish: risks derived from its acidity.
Physical properties
- Apparent density at 12% humidity 590 kg/m3 semi-light wood.
- Dimensional stability
- Volumetric contraction coefficient 0.39 % stable wood.
- Relation between contractions 1.54% no tendency to deformity.
- Hardness (Chaláis-Meudon) 2.5 Semi-softwood.
Observations
