Ash

Fraxinus excelsior L.; F. angustifolia Vahl;
English: Ash, European Ash or Common Ash
Europe, including Britsh Islands, North Africa and East Asia.

Description

&;8226; Sapwood and heartwood: white to white pinkish.
&;8226; Fiber: straight.
&;8226; Grain: medium size.
&;8226; Characteristic defects: knots of partridge eyes,alse dark core.

Applications

&;8226; Interior and semi-exterior fine country furniture.
&;8226; Hollow carpentry and interior paneling: doors, platforms, friezes, molding.
&;8226; Decorative panels.
&;8226; Sport items.
&;8226; Exterior Carpentry.

Capacity of being impregnated

Medium capacity of being impregnated.

Mechanization

&;8226; Sawing process: easy and with no difficulties.
&;8226; Drying process: easy. From fast to medium-slow speed process.
&;8226; Planing process: easy. It is easily bent.
&;8226; Gluing process: easy, except in those cases of resorcine adhesive use.
&;8226; Nailing and screwing process: pre-drilling is required.
&;8226; Finish: easy.

Physical properties

&;8226; Apparent density at 12% humidity 690 kg/m3 semi-heavy wood.
&;8226; Dimensional stability
- Volumetric contraction coefficient 0.45 % variation from stable to nervous wood.
- Relation between contractions 1.64% no tendency to deformity.
&;8226; Hardness (Chaláis-Meudon) 4.2 semi-hardwood .

Mechanical properties

&;8226; Resistance to static flexion 1130 kg/cm2.
&;8226; Elasticity module 129,000 kg/cm2.
&;8226; Resistance to compression 510 kg/cm2.
&;8226; Resistance to parallel traction 1450 kg/cm2.

Observations

&;8226; The central part of the trunk can have a dark olive colour.
&;8226; There is also the american ash, quite common in United States and Canada and very similar to the european ash.