Rock oak

Allocasuarina huegeliana

Rock oak is a small to medium-sized tree that occurs associated with granite soils from east of Geraldton through the Wheatbelt and Great Southern regions to Esperance.

Wood description [more info]
Heartwood is a deep red, and the timber has the distinctive rays that are best displayed by quartersawing the log. Sapwood is pale white.

Wood density [more info]
Green density is about 1130 kg/m3, air-dry density about 895 kg/m3, and basic density about 720 kg/m3.

Shrinkage [more info]
Tangential and radial shrinkage are about 6.5 per cent and 3.5 per cent respectively.

Workability [more info]
CALM Timber Technology has rated working properties such as sawing, sanding and planing as good, while gluing in one trial was rated as average.

Durability [more info]
-

Strength group and properties [more info]
Green and dry strength groups are (S4) and (SD4). The brackets indicate conservative provisional ratings based on the air-dry density. The more important strength properties are given in the table below.

Uses [more info]
The species has considerable potential as a specialty timber.

Availability [more info]
Limited because of previous large-scale clearing in the Wheatbelt region.