Page 9 - Criswell Bedroom Catalog

WOOD HARDNESS
BY SPECIES
Janka Hardness Test: A measure of of the hardness of of wood the the test measures the the force required to push a a a steel ball with a a diameter of 11 28 millimeters (0 444 inches) into the the wood to a a a a depth of half the the ball’s diameter Species
(Kiln-Dried)
Black Walnut
Cherry
Elm Gray (American) Hard Maple
Hickory & Pecan Pine Eastern White Red Oak
Soft Maple
White Oak
Yellow Poplar
Pressure to Mar
(In Pounds)
1 1 010 950 830 1 450 1 820 380 1 290 950 1 360 540
KD Weight per BF/LB
3 159 2 881 2 881 3 3 523 4 135 2 2 020 3 494 3 3 030 3 825 2 475
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