Hardwood Lumber Dimensions Chart

Overview

Engineering reference data for Hardwood Lumber Dimensions Chart in material science and properties.

Key Formulas

Stress

$\sigma = \frac{F}{A}$

Force per unit area.

Strain

$\varepsilon = \frac{\Delta L}{L_0}$

Change in length per original length.

Hooke's Law

$\sigma = E \varepsilon$

Stress proportional to strain in elastic region.

Thermal Expansion

$\Delta L = \alpha L_0 \Delta T$

Length change due to temperature.

Variables

Symbol	Description	Unit
$\sigma$	Stress	Pa
$\varepsilon$	Strain	—
$E$	Young's modulus	Pa
$\alpha$	Thermal expansion coefficient	1/°C
$\Delta T$	Temperature change	°C

Hardwood Lumber Dimensions

Common Hardwood Species

• Oak
• Walnut
• Basswood
• Beech
• Birch
• Butternut
• Chestnut
• Cherry
• Elm
• Gum
• Hickory
• Maple
• Mahogany
• Yellow Poplar

Hardwood Grades

• FAS (First and Second)

  • Best grade, required for natural or stained finish.
  • Minimum dimensions: 6 inches wide, 8 to 16 feet long.
  • Must have at least 83.3% clear wood on the worst face.

• Select - No. 1 Common

  • Minimum dimensions: 3 inches wide, 4 to 16 feet long.
  • Must have at least 66.6% clear wood on the worst face.

• Select - No. 2 Common

• Select - No. 3 Common

References

• Original Source