Maple, Black

Genus: Acer

Basics
			Specific gravity
	hardwood		0.52

Shrinkage percent from green to oven-dry
	Volumetric		Radial		Tangential		Longitudinal
	14		4.8		9.3		negligible

Grades	E (10⁶ psi)	F_b (psi)	F_s (psi)
Mixed maple, Construction	1.1	800.0	65.0
Mixed maple, No.1	1.2	725.0	65.0
Mixed maple, No.2	1.1	700.0	65.0
Mixed maple, No.3	1.0	400.0	65.0
Mixed maple, Select Structure	1.3	1000.0	65.0
Mixed maple, Standard	1.0	450.0	65.0
Mixed maple, Stud	1.0	550.0	65.0
Mixed maple, Utility	0.9	225.0	65.0