Janka scale hardness ratings for North American Softwoods
Cedar white 320 lbf
Fir, douglas 710 lbf
Yellow pine 870 lbf
Red aromatic cedar 900 lbf
Red cedar western 350 lbf
The Janka Side Hardness test measures the force required to press an 11.28mm (0.444 inch) steel ball to half its diameter cross-grain into a block of wood.