American Alder

Physical and mechanical properties

Alder wood has a medium density but is relatively soft. Alder wood has low flexural strength, is impact resistant, and has stiffness. This wood is easily machined and turned and can be polished and stained to give a great finish.

Specific Gravity (12% M.C.)

0.41

Average Weight (12% M.C.)

449 KG/M3

Average Volume Shrinkage
(Green to 6% M.C.)

10.10%

Modulus of Rupture

67.571 Mpa

Modulus of Elasticity

9515 Mpa

Compressive strength (parallel to grain)

40.129MPa

Hardness

2624N

Performance

Alder machines easily and is good for planning, drilling, boring, carving, molding, nailing, screwing, and gluing, making them highly suitable for furniture and joinery. The wood is non-resistant to heartwood decay but is permeable to preservative treatment.

Bad

Medium

Good

Excellent

Sawing

Plane

Drilling

Boring

Lathing

Carving

Decorative moldings

Nail grip

Glue stickiness

Finish

Main uses

This prolific hardwood from the Pacific Northwest, with excellent environmental credentials, is used for furniture, kitchen cabinets, and interior joinery. It is also used for doors and paneling. The grain pattern and color of alder make it suitable as a substitute for Cherry.