Holzhandel Marianne Frey-Amon
Holzgroßhandel und Holzhandel
Rundholz, Schnittholz und Spezialsortimente

Am Bahnhof
2041 Hetzmannsdorf
Österreich / Austria



Go to homepage of wood traders Marianne Frey-Amon
t:   +43 2951 83 71
f:   +43 2951 83 71 - 19

e:  info@frey-amon.at
Holzhandel Frey-Amon: www.frey-amon.at


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Frey-Amon - The Way to Wood

Common alder



Alnus glutinosa
Common alder
+
Green density
Average value
523 kg/m³
 
Total degree of shrinkage
axial
0,4 - 0,5 %
radial
4,3 - 4,4 %
tangential
7,3 - 9,3 %
 
Differential swelling
radial
0,15 - 0,17 %%
tangential
0,24 - 0,30 %%
 
Other characteristics
Thermal conductivity
0,15 - 0,17 W/mK
Equilibrium of moisture
content (20°/37%)
%
 
Equilibrium of moisture
content (20°/83%)
%
 
 
Hardness
Brinell hardness HB,0
34 N/mm²
Brinell hardness HB,90
12 N/mm²
 
Elastic properties
Flexural modulus of elasticity
9500 N/mm²
 

Strength properties
Flexural strength
91 N/mm²
Tensile strength
94 N/mm²
Compression strength
51 N/mm²
 
Natural durability
Fungi
5, non-durable 
Anobium
S, susceptible 
 
Treatability
Heartwood
1, highly permeable 
Sapwood
1, highly permeable 


Characteristic values determined from wood samples with a moisture content of 12%.
The indigenous Black Alder (Alnus glutinosa) is the predominant species of tree found alongside streams and in riverside woodlands.

Due to its preference for dark, moist locations, folklore attributes something mystical to alder.

The beautiful, reddish-white colour of the wood, its evenness and the ease of working with it, make alder a very popular wood amongst furniture builders.
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