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APPEARANCE
Color: Pecan heartwood is reddish brown with
dark brown stripes; sapwood is white or creamy white with pinkish
tones. Hickory heartwood is tan or reddish; sapwood is white
to cream, with fine brown lines.
Grain: Pecan is open, occasionally wavy or irregular.
Hickory is closed, with moderate definition; somewhat
rough-textured.
Species & Grade Variations: In both hickory and pecan, there
are often pronounced differentiations in color between spring wood
and summer wood. In pecan, sapwood is usually graded higher
than darker heartwood. Pecan and hickory are traditionally
mixed by flooring mills.
PROPERTIES
Hardness (Janka): 1820; 41% harder than Northern Red
Oak. Pecan is slightly softer than true hickories.
Dimensional Stability: Pecan, average (change coefficient
.00315; 15% more stable than
Red
Oak). Hickory, below average (change coefficient .00411;
11% less stable than Red
Oak).
Durability: Combination of strength, hardness, toughness and
stiffness found in no other commercial wood; exceedingly high in
shock resistance.
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WORKABILITY
Sawing / Machining: Hickory species' density
makes it difficult to season, machine and work with hand tools.
Sanding: Difficult to sand because of density, and because
light color makes sander marks show more than on darker woods.
Nailing: Good holding ability; prone to splitting.
Finishing: No known problems.
COST
(Relative to plainsawn select Red
Oak)
Multiplier: 1.20
AVAILABILITY
Readily available from specialty wood flooring
dealers, although parquet not commonly available.
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