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Quercus robur

European white oak

Slightly less hard than American white oak. Same tyloses-filled rays — watertight when quartered.

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Janka hardness1,120 lbf
Modulus of elasticity1.69 ×10⁶ psi
Specific gravity (oven-dry / green vol.)0.67
Total tangential shrinkage (green → 0% MC)8.9 %
Total radial shrinkage (green → 0% MC)4.4 %
WorkabilityModerate
USE IT

Try European white oak in the Shrinkulator or Sagulator.

Source: USDA Forest Products Lab, Wood Handbook (FPL-GTR-190).