Tabebuia avellandedae, Tabebuia ipe and Tabebuia serratifolia of the Family Bignoniaceae.
Ipe, pau d'arco, ipe tabaco, bethabara, lapacho, ebene vert, amata prieto, ironwood,
greenheart, amapa, cortez, guayacan, guayacan polvillo, flor amarillo, madera negra,
tahuari, lapacho negro, Brazilian Walnut.
Trees routinely grow to 150 feet, and can reach 200 feet, with trunk diameters of 6 feet and
boles clear to 60 feet or more. Weight varies between 60 and 75 pounds per cubic foot with
a specific gravity of 1.08.
Usually air dries rapidly with very slight checking or warping. Material can be difficult to work
and difficult to saw. Hardness of material can cause a blunting effect to cutting edges. High
quality carbide and diamond tipped blades are recommended as well as pre-drilling when
surface fastening. Machining material generates a fine, yellow dust that may cause breathing
problems and dermatitis. Ipe is highly resistant to all insect and fungal attacks.
DIMENSIONAL STABILITY: Stable, minimal checking and warping
FIRE RATING (NFPA): Class A
RESISTANCE TO INSECTS & DECAY: High
MOVEMENT IN SERVICE: Low
WEIGHT IN LBS. (CU.FT): 60-75 lbs
BENDING STRENGTH (PSI): 26,000
MODULAS OF ELASTICITY (PSI): 3,308,000
HARDNESS (PSI): 3,650
SPAN VALUES: Nominal Size 40 lbs/sf 50 lbs/sf 60 lbs/sf 100 lbs/sf
1 x 4 32” 30” 28” 24”
1 x 6 38” 34” 32” 28”
5/4 x 6 42” 38” 36” 32”
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