Soft Maple
American soft maple (Principally Acer rubrum, A. saccharinum)
Other names: Red maple, silver maple


Distribution
Throughout Eastern USA, and to a lesser extent on the West coast (bigleaf maple).

General description
In most respects the wood of soft maple is very similar to that of hard maple. Although due to its widespread growth it may be more susceptible to regional colour variations. Generally the sapwood is greyish white, sometimes with darker coloured pith flecks. The heartwood varies from light to dark reddish brown. The wood is usually straight grained. The lumber is generally sold unselected for colour.

Working properties
Soft maple machines well and can be stained and polished to an excellent finish. It glues, screws, and nails satisfactorily. It dries slowly with minimal degrade and there is little movement in performance.

   
Machining
Nailing
Screwing
Gluing
Finishing

Physical properties
Soft maple is about 25% less hard than hard maple, has medium bending and crushing strength, and is low in stiffness and shock resistance. It has good steam bending properties.

Specific Gravity: 0.54 (12% M.C.)
Average Weight: 609 kg/m3 (12% M.C.)
Average Volumetric Shrinkage: 10.5% (Green to 6% M.C.)
Modulus of Elasticity: 11,308 MPa
Hardness: 4226 N
* Values for Acer rubrum

Durability
Non-resistant to decay and insect attack. The heartwood is moderately resistant to preservative treatment but the sapwood is permeable.

Availability
USA: Readily available as lumber and veneer.
Export: Availability is improving as demand increases.

Main uses
Furniture, panelling, interior joinery, kitchen cabinets, mouldings, doors, musical instruments, and turning. Soft maple is often used as a substitute for hard maple or stained to resemble other species such as cherry. Its physical and working properties also make it a possible substitute for beech.
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