Alpine Ash
Botanical name:Eucalyptus delegatensis Eucalyptus gigantean
Origin :Alpine Ash grows in the cold climate areas of Tasmania, eastern Victoria and south-eastern New South Wales.
Trading names : Alpine AshA mixture of two similar species--Alpine Ash and Mountain Ash--is often marketed as Vic Ash or Victorian Ash.
Appearance
Heartwood : pale pink or pale yellowish brown.
Sapwood : not clearly distinguishable.
Texture : moderately coarse.
Grain : usually straight but sometimes wavy, producing a fiddleback figure.
Growth rings : conspicuous.
General commentNeeds much care in drying because of proneness to collapse and internal checking, as well as surface checking on the tangential surface. Reconditioning is standard practice. For good-quality boards it is usual practice to quarter cut the logs.
Common uses :General construction, furniture, plywood, joinery, panelling, flooring, oars, skis, agricultural implements, handles, cooperage.
Properties
Hardness rating Average Hardness Rating - Dry: Soft
Lyctid Susceptibility of Sapwood
Origin Tasmania, New South Wales--Susceptible
Origin Victoria--Not susceptible
Origin not known--Susceptible(source AS 5604)
Termite Resistance of Heartwood (inside above ground) :Not resistant(source AS 5604)
Marine Borer Resistance of Heartwood;Class 4(source AS 5604)
Natural Durability Rating of Heartwood Above Ground :Class 3(source AS 5604)
Natural Durability Rating of Heartwood In-Ground Contact:Class 4(source AS 5604)
The ratings given here are:
Soft - less than 5.5
Moderate - 5.5 to 7.0
Hard - 7.1 to 10.0
Very Hard - greater than 10.0.
Lyctid susceptible sapwood:
Only the sapwood of some hardwoods is susceptible to lyctid borer attack. No softwoods are susceptible to attack.