|
 |
|
|
|
| |
| Janka Hardness
is a test which measures the pounds
of force it takes to drive a .44"
diameter steel ball 1/2 its depth
into wood. These numbers are
taken from various publications but
principally are from the U.S.
Forest Products lab. The
higher the number the harder the
species. |
|
Domestic Species - to
North America
|
|
Flooring Trade
Name |
Botanical
Name |
Hardness -
Janka |
|
Ash, White |
Fraxinus,
excelsior |
1320 |
|
Cherry, N. American |
Prunus,
serotina |
950 |
|
Maple, N. American |
Acer,
saccharum |
1450 |
|
Oak, Red |
Quercus,
rubra |
1260 |
|
Oak, White |
Quercus,
alba |
1360 |
|
Walnut, N. American |
Juglans,
nigra |
1010 |
|
Imported Species - to
North America
|
|
Flooring Trade
Name
|
Botanical
Name |
Hardness -
Janka |
|
Afrormosia |
Pericopsis,
elata |
1560 |
| Amendoim |
Pterogyne,
nitens |
1340 |
|
Angelique |
Dicorynia,
guianensis |
1290 |
| Ash,
Silky |
Couratari,
spp |
1460 |
Ash, Victorian
(Oak, Tasmanian) |
Eucalyptus,
delegatensis |
1010 |
|
Beech, European |
Fagus,
slyvatica |
1300 |
|
Bloodwood |
Brosimum,
rubescens |
2900 |
|
Brushbox, Northern |
Tristania,
spp |
2045 |
|
Bubinga |
Guibourtia,
demeusei |
1980 |
|
Cherry, Bolivian |
Manilkara,
bidentata |
3190 |
|
Cherry, Brazilian |
Hymenaea,
courbaril |
2820 |
Cherry, Caribbean
(Mayan/Aztec) |
Lonchocarpus,
castilloi |
3100 |
|
Flooring Trade
Name
|
Botanical
Name |
Hardness -
Janka |
| Cherry,
Chilean |
Nothofagus,
dombeyi |
990 |
| Chestnut |
Castanea,
sativa |
540 |
| Chestnut, Southern |
Sweetia,
panamensis |
2670 |
|
Cypress, Australian |
Callitrus,
glauca |
1375 |
|
Doussie |
Afzelia,
spp |
1770 |
|
Gum, Sydney Blue |
Eucalyptus,
saligna |
2025 |
|
Iroko/Kambala |
Chloraphora,
excelsa |
1260 |
| Jarrah |
Eucalyptus,
marginata |
1915 |
|
Kempas |
Koompassia,
malaccensis |
1710 |
|
Flooring Trade
Name
|
Botanical
Name |
Hardness -
Janka |
|
Lacewood |
Roupala,
brasiliensis |
840 |
|
Mahogany, Honduran |
Swietenia,
macrophylla |
800 |
|
Mahogany, Royal |
Pithecellobium, arboreum |
1400 |
|
Mahogany, Santos |
Myroxylon,
balsamum |
2200 |
Maple, Patagonian
(Brazilian) |
Balfourodendron, riedelianum |
1500 |
|
Merbau |
Intsia,
spp |
1925 |
|
Padauk, African |
Pterocarpus,
soyauxii |
1725 |
| Pine,
Heart |
Pinus,
caribaea |
910 |
|
Flooring Trade
Name
|
Botanical
Name |
Hardness -
Janka |
|
Purpleheart |
Peltogyne,
spp |
2090 |
|
Rosewood, Bolivian |
Machaerium,
sclieroxylon |
1780 |
|
Rosewood, Caribbean |
Metopium,
browneii |
2300 |
|
Rosewood, Honduran |
Dalbergia,
Stevensonii |
2200 |
|
Rosewood, Patagonian |
Piptadenia,
macrocarpa |
2800 |
|
Rosewood, Tiete |
Guibourtia,
chodatianal |
2800 |
|
Shedua/Mutenye |
Guibourtia,
arnoldiana |
1650 |
|
Tamarind |
Dialium,
guianense |
3000 |
|
Teak, Brazilian |
Dipteryx,
odorata |
3540 |
|
Flooring Trade
Name
|
Botanical
Name |
Hardness -
Janka |
|
Teak, True |
Tectona,
grandis |
1155 |
| Tigerwood |
Astronium,
spp |
2160 |
| Timborana |
Piptadenia,
suaveolens |
1570 |
|
Walnut, Brazilian |
Tabebuia,
spp |
3680 |
Walnut, Caribbean
(Mayan/Aztec) |
Lysiloma,
bahamensis |
1400 |
|
Walnut, Patagonian |
Tabebuia,
heptaphylla |
2800 |
|
Walnut, Peruvian |
Juglans,
neotropica |
1080 |
|
Wenge |
Milletia,
laurentii |
1630 |
|
Zebrawood |
Microberlina,
brazzavillensis |
1575 |
|
|
|
|
|
|
