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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 Ash
A 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 comment
Needs 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. Alpine ash

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