American Elm
Scientific name:
Ulmus minor sarniensis
Geographic origin:
East Canada, Mid West United States
- Sapwood: Greyish white
- Heartwood: Light brown
- Fibre: Straight sometimes intertwined. Reddish streaks
- Grain: Medium
- Characteristic defects: Tendency to bend
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Capacity of being impregnated
- Heartwood: Impregnable medium considered not resistant to fungi
Mechanical properties
- Static flexural strength 1,100 kg / cm2
- Modulus of elasticity 108,750 kg / cm2
- Compressive strength 550 kg / cm2
- Parallel tensile strength 680 kg / cm2
Mechanization
- Sawn: Easy
- Drying: "chafing" can occur
- Brushing: Difficult
- Gluing: Very good
- Nailed and screwed: Good
- Finish: Very good
Physical properties
- Apparent density at 12% humidity 530 kg / m3 semi-heavy wood
- Dimensional stability
- - Contraction coefficient: moderately nervous
- Hardness (Chaláis-Meudon) 5.4 semi-hard wood
Observations
