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JANKA HARDWOOD HARDNESS TEST

The Janka test measures the force required to embed a 11.28 millimeter (0.444 inch) steel ball into wood to half its diameter. This method was chosen so that the result would leave an indention 100 square millimeters in size. It is one of the best measures of the ability of a wood species to withstand denting and wear. It is also a good indicator of how hard a species is to saw or nail.

 Wood Flooring SpeciesJanka Hardness
 Ipe / Brazilian Walnut / Lapacho 3684
 Cumaru / Brazilian Teak 3540
 Ebony 3220
 Brazilian Redwood / Paraju 3190
 Angelim Pedra 3040
 Bloodwood 2900
 Red Mahogany, Turpentine 2697
 Spotted Gum 2473
 Brazilian Cherry / Jatoba 2350
 Mesquite 2345
 Santos Mahogany, Bocote, Cabreuva 2200
 Pradoo 2170
 Brushbox 2135
 Karri 2030
 Sydney Blue Gum 2023
 Bubinga 1980
 Cameron 1940
 Tallowwood 1933
 Merbau 1925
 Amendoim 1912
 Jarrah 1910
 Purpleheart 1860
 Goncalo Alves / Tigerwood 1850
 Hickory / Pecan, Satinwood 1820
 Afzelia / Doussie 1810
 Bangkirai 1798
 Rosewood 1780
 African Padauk 1725
 Blackwood 1720
 Merbau 1712
 Kempas 1710
 Locust 1700
 Highland Beech 1686
 Wenge, Red Pine 1630
 Tualang 1624
 Zebrawood 1575
 True Pine, Timborana 1570
 Peroba 1557
 Kambala 1540
 Sapele / Sapelli 1510
 Curupixa 1490
 Sweet Birch 1470
 Hard Maple / Sugar Maple 1450
 Coffee Bean 1390
 Natural Bamboo (represents one species) 1380
 Australian Cypress 1375
 White Oak 1360
 Tasmanian Oak 1350
 Ribbon Gum 1349
 Ash (White) 1320
 American Beech 1300
 Red Oak (Northern) 1290
 Caribbean Heart Pine 1280
 Yellow Birch 1260
 Movingui 1230
 Heart Pine 1225
 Carbonized Bamboo (represents one species) 1180
 Cocobolo 1136
 Brazilian Eucalyptus / Rose Gum 1125
 Makore 1100
 Boreal 1023
 Black Walnut 1010
 Teak 1000
 Sakura 995
 Black Cherry, Imbuia 950
 Boire 940
 Paper Birch 910
 Cedar 900
 Southern Yellow Pine (Longleaf) 870
 Lacewood, Leopardwood 840
 Parana 780
 Sycamore 770
 Shedua 710
 Southern Yellow Pine (Loblolly and Shortleaf) 690
 Douglas Fir 660
 Larch 590
 Chestnut 540
 Hemlock 500
 White Pine 420
 Basswood 410
 Eastern White Pine 380
Janka Hardness Scale

Remodeling and Home Design
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