Longleaf Pine

Specs

Common Names

Longleaf Pine

Scientific Name

Pinus palustris

Origin

Southeastern United States, though also widely grown on plantations

Appearance

Heartwood is reddish brown, sapwood is yellowish white. Straight grained with a fine to medium texture. Endgrain: Large resin canals, numerous and evenly distributed, mostly solitary ; earlywood to latewood transition abrupt, color contrast high; tracheid diameter medium-large.

Avg. Dried Weight

41 lbs/ft3 (650 kg/m3)

Janka Hardness

870 lbf

Modulus of Rupture

14,500 lbf/in2 (100.0 MPa)

Elastic Modulus

1,980,000 lbf/in2 (13.70 GPa)

Crushing Strength

8,470 lbf/in2 (58.4 MPa)

Shrinkage

Radial: 5.1%, Tangential: 7.5%, Volumetric: 12.2%, T/R Ratio: 1.5

Durability

The heartwood is rated as moderately resistant to decay.

Workability

Overall, Longleaf Pine works fairly well with most tools, though the resin can gum up tools and clog sandpaper. Longleaf Pine glues and finishes well.