Is hickory wood valuable
Walnut wood - noble and decorative
|Measured value description||value|
|Bulk density||0.57-0.81 g / cm³|
|Compressive strength||58-72 N / mm²|
|Flexural strength||119 - 147 N / mm²|
Walnut types and DIN designations
When it comes to walnut wood, European walnut wood (from the walnut tree) plays the largest role. In America, too, there are species native to the wood that are used. Hickory wood is the wood from certain bitter nut trees and is also traded.
|National designation according to DIN||walnut|
|Abbreviation according to DIN||NB|
|International designations according to DIN EN 13 556||European walnut and American walnut, also called black walnut|
|International symbol||JGRG, EU or JGNG, AM|
The wood of the European walnut appears irregular and heavily loaded. The visible vessels, on the other hand, are very evenly scattered and usually occur individually and only rarely in groups. The wood rays are clearly visible as a dark mark. Stripes or a figured appearance are common. With American walnut you can see the pore stripes more clearly, but it looks a bit more regular with the grain.
The color is usually brown to very dark brown or black-brown. Reddish colorations can occur, as well as purple or dark red colorations (typical color for American species). However, the color can always be significantly different depending on various factors. The clearly recognizable sapwood is light gray to yellowish gray.
Walnut wood is a hard and comparatively heavy wood (see technical data). American species are a little lighter, and also work a little more than the European species. The density is only moderate, however, walnut wood is relatively flexible and tough.
Shrinkage and drying
The shrinkage behavior of walnut wood is moderate, but should always be dried slowly to avoid damage. Walnut wood is relatively dimensionally stable, while American species are somewhat less so than European ones.
Walnut wood is weatherproof to a certain extent, and the European walnut is also very resistant to fungi. However, insect infestation can be problematic. American species show no persistence.
Walnut is not only used as a very high-quality (and usually expensive) veneer in furniture construction, but is also used as solid wood for parquet and paneling. It is also used as solid wood for furniture construction, but is one of the premium types of wood there. In addition, it is also often used as high-quality wood for piano making and for making weapons. Walnut is one of the few woods in which the sapwood is also used quite often, but it is significantly inferior to the heartwood.
The prices for walnut as sawn timber are at a relatively high level. For European walnut wood one can assume around 2,300 - 2,600 EUR per m³, in individual cases it can be obtained from around 2,000 EUR per m³. American walnut is a bit cheaper and starts at around 1,800 EUR per m³. In the timber trade, walnut wood can often be found steamed. The availability of domestic walnut wood is somewhat limited, which is also the reason for the comparatively high price.
Here you will find an overview of all types of wood
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