Black Oak
Quercus velutina
Also known as: Eastern Black Oak, Yellow-bark Oak, Quercitron Oak
Black Oak is a common eastern North American hardwood closely related to Red Oak, sharing similar working properties, strength, and appearance. Distinguished by its characteristically yellow-orange inner bark — historically harvested for quercitron dye — it is widely used for flooring, furniture, and interior millwork as a commercially interchangeable substitute for Red Oak.
Botanical Profile
Quercus velutina is a large deciduous tree of the Fagaceae family, native to eastern and central North America. It reaches 20–30 metres in height with a broad, irregular crown. Identified by its distinctive yellow to orange inner bark and deeply lobed leaves with pointed tips. A member of the red oak group, producing acorns that take two years to mature.
Physical Properties
Ring-porous hardwood with medium to coarse texture and air-dried density of approximately 670 kg/m³. Janka hardness of 1,210 lbf — slightly softer than Red Oak. Like all red-group oaks, it lacks tyloses in the vessels, making it less water-resistant than White Oak. Tangential shrinkage 8.6%, radial 4.4%.
Workshop Notes
Blunting Effect
Moderate — similar to Red Oak
Gluing Advice
Good with standard woodworking adhesives
Finishing
Open grain responds well to pore fillers before applying film finishes; stains evenly
Steam Bending
Good steam bending characteristics
Historical Context
Black Oak's yellow inner bark was the commercial source of quercitron, a yellow dye used extensively in the textile industry from the late 18th through the 19th century. Exported from North America to Europe in large quantities, it was an important trade commodity before synthetic dyes displaced it. As a structural timber it has served in construction, furniture, and rail applications throughout its range.
Technical Specs
Light to medium brown heartwood, often with a reddish cast; pale sapwood; inner bark is characteristically yellow to orange
Common throughout eastern North America; not commercially restricted