Alder, also called Red Alder and Western Red Alder (scientific name: Alnusrubra), has a heartwood of light tan to red-brown color. Sapwood is not distinguishable from the heartwood. Its texture is medium-fine, and grain is mostly straight.
commonly found in: western North America
Janka Hardness: 2,620 N(590 lbf)
Average Dried Weight: 450 kg/m3(28 lbs/ft3)
Work-ability: Easy to achieve good results with hand tools and machine tools. It is very good with glues and stains, and finishes well. It sands easily, but softness makes it prone to denting. Good for turning.