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Janka Hardness Rating

The hardness rating of the wood is measured using the JANKA Hardness method. It is the measured amount of pressure in pounds required to embed a .444" (1.128 cm) steel ball 1/2 of its diameter into the wood.

Common Name                              Scientific Name                                Country Of Origin                          

 

Side Hardness,

Janka Test,

at 12% Moisture Content

 

Alder, Red Alnus Rubra North America, Canada

590

Ash, White Fraxinus Americana North America, Canada

1320

Beech, European  Fragus, Slyvatica Austria

1300

Birch, Paper/White Betula Papyrifera North America, Canada

910

Birch, Yellow Betula Alleghaniensis North America, Canada

1260

Cherry, Brazilian (Jatoba) Hymenaea courbaril South America

2820

Cherry, North American Prunus Serotina North America, Canada

950

Douglas-Fir, Coast Pseudotsuga Menziesii North America, Canada

710

Douglas-Fir, Interior West Pseudotsuga Menziesii North America, Canada

660

Hemlock, Mountain Tsuga Mertensiana North America, Canada

680

Hickory - Pecan Mix Carya SPP North America, Canada

1820

Ipe/Brazilian Walnut Tabebula SPP South America

3680

Maple, Bigleaf/Pacific Coast Acer Macrophyllum North America, Canada

940

Maple, Hard/Eastern Acer Saccharum North America, Canada

1450

Oak, Northern Red Quercus Rubra North America, Canada

1290

Oak, White Glacier Quercus SPP North America, Canada

1360

Walnut, Black American Juglans Nigra North America, Canada

1010