Sepetir
Pseudosindora palustris
Sepetir measures 1,410 lbf on the Janka scale, 9% harder than northern red oak.
- On the Janka scale its nearest neighbours are scarlet oak at 1,400 lbf and sugar maple at 1,450 lbf.
U.S. hardwoodsU.S. softwoodsImported woodsNorthern red oak
Six measures
SepetirImported woods medianOther woods
Bending strength
17,200 psi118.6 MPa35th strongest of 1554,300 psi29,900 psiJanka hardness
1,410 lbf6,272 N42nd hardest of 15532nd of 65 imported woods240 lbf3,680 lbfStiffness
1.97 M psi13.6 GPa42nd stiffest of 1550.54 M psi4.06 M psiShrinkage across the face
7.0%radial 3.7%45th lowest of 1553.5%12.7%Density
0.5652nd heaviest of 1550.250.96Cupping tendency
1.8963rd highest of 1551.092.90
For its weight: strength-to-weight 30,714 psi (11th of 155).
How much it moves
Both its face shrinkage (7.0%) and its T/R ratio (1.89) sit in the middle half of the list.
0.42 in.
off a 6-inch flatsawn board, green to oven-dry; quartersawn 0.22 in.
- Tangential
- 7.0%
- Radial
- 3.7%
- Volume
- 10.5%
- T/R ratio
- 1.89 (91st most stable of 155)
End view, shrinkage drawn 3× life size.
Closest substitutes
- Peroba de campos
14% harder · 11% heavier · shrinks 0.4 points less across the face
- Andiroba
20% softer · 4% lighter · shrinks 0.6 points more across the face
- Afrormosia
11% harder · 9% heavier · shrinks 0.6 points less across the face
Woods of similar hardness
The eight nearest on the Janka scale, lbf.
Laboratory values
| Property | Green | Dry, 12% MC | Change when dried | Metric, 12% MC |
|---|---|---|---|---|
| Shear parallel to grain | 1,310psi | 2,030psi | +55% | 14MPa |
| Compression parallel to grain | 5,460psi | 8,880psi | +63% | 61.2MPa |
| Modulus of rupture | 11,200psi | 17,200psi | +54% | 118.6MPa |
| Modulus of elasticity | 1.57M psi | 1.97M psi | +25% | 13.6GPa |
| Side hardness | 950lbf | 1,410lbf | +48% | 6,272N |
| Work to maximum load | 13.3in-lbf/in³ | 13.3in-lbf/in³ | ±0% | 91.7kJ/m³ |
Wood Handbook Table 5-5b, Table 4-4. Data & method · Guides