Appearance
COLOR: Heartwood is light tan to dark brown; sapwood is creamy white. Similar in appearance to white oak, but frequently more yellow.
GRAIN: Bold, straight, moderately open grain with occasional wavy figuring. Can have strong contrast in grain in plainsawn boards.
VARIATIONS WITHIN SPECIES AND GRADES:
Sometimes confused with hickory; the zone of large pores is more distinctive in ash, similar to that of red oak.
Properties
HARDNESS/JANKA: 1320 (2% harder than Northern red oak).
DIMENSIONAL STABILITY: Above average (7.8; 9% more stable than Northern red oak).
Origin
North America.