Working Properties
Walnut works easily with hand and machine tools, and nails, screws and glues well. It holds paint and stain very well and can be polished to an exceptional finish. It dries slowly, and care is needed to avoid kilning degrade. Walnut has good dimensional stability.
Physical Properties
Walnut is a tough hard timber of medium density, with moderate bending and crushing strengths and low stiffness, it has a good steam bending classification.
Durability
Rated as very resistant to heartwood decay, it is one of the most durable woods even under conditions favourable to decay. Sapwood liable to attack by powder post beetles.
Main Uses
Furniture, cabinet making, architectural interiors, high class joinery, doors, flooring, and panelling. A favoured wood for using in contrast with lighter coloured timbers.
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Machining
PoorGood
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Nailing
PoorGood
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Screwing
PoorGood
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gluing
PoorGood
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Finishing
PoorGood
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0.55
Specific Gravity (12% MC)
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609 kg/m3
Average weight (12% MC)
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10.2 %
Specific Volumetric Shrinkage ( Green to 6% M.C)
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11,584
Modules of elasticity
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4492
Hardness