Australian Hardwood Species Guide - itslimited.com.au

1 Australian Hardwood Species Guide Botanical name Eucalyptus Eucalyptus Eucalyptus Eucalyptus obliqua Khaya senegalensis laevopinea viminalis delegatensis Trading names Silvertop Stringybark Manna Gum Alpine Ash Messmate African Mahogany Silvertop Stringy Tasmanian Oak Stringybark Victorian Ash Tasmanian Oak Origin Silvertop Stringybark grows Manna Gum grows in the Alpine Ash grows in the cold Messmate grows in Native in the west from on the coast fall of the cooler areas of South climate areas of Tasmania, Tasmania and Victoria and Senegal to Zaire and across tablelands mainly in northern Australia, Tasmania, Victoria eastern Victoria and south- on the tablelands of New the continent to Sudan and New South Wales.

2 And the tableland districts of eastern New South Wales. South Wales and southern Uganda. Plantation grown in New South Wales. Queensland Northern Australia Appearance Heartwood pale brown sometimes with a pale pink or pale pinkish pale pink or pale yellowish pale brown deep red-brown with a purple pinkish tinge. brown brown tinge Sapwood not sharply differentiated. of similar colour and not not clearly distinguishable. pale yellow. yellowish-brown sapwood is distinct not always clearly demarcated Texture medium and even.

3 Medium and even moderately coarse. moderately coarse but even. Medium (Usually coarser nature than American mahogany). Grain usually straight. variable usually straight but sometimes interlocked. usually interlocked sometimes wavy, producing a fiddleback figure Growth rings prominent conspicuous visible but not prominent. Common uses Poles, sleepers, flooring, General construction, General construction, General construction, Furniture and cabinetwork, building framework, furniture, furniture, veneer, panelling, furniture, plywood, veneer, furniture, veneer, panelling, joinery, shop fixtures, veneer, panelling, flooring flooring joinery, panelling, flooring, flooring flooring, boatbuilding, oars, skis, agricultural decorative implements, handles, veneers.

4 Cooperage. Trading names Silvertop Stringybark Manna Gum Alpine Ash Messmate African Mahogany Silvertop Stringy Tasmanian Oak Stringybark Victorian Ash Tasmanian Oak General comment Dries readily but with some Difficult to dry. Needs much care in drying Difficult to dry Difficult to dry. collapse and checking. Prone to internal because of proneness to The lighter material is easy honeycombing, surface collapse and internal Relatively easy to work. to work but the heavier Not hard to work. checking and collapse.

5 Checking, as well as surface heartwood is slightly more Reconditioning desirable. checking on the tangential Glues well. difficult. Glues well with phenolics. Easy to work. surface. can be glued satisfactorily, Glues satisfactorily. Reconditioning is standard Satisfactory for steam generally have good nailing Predrill when nailing near the practice. bending. and screwing properties. end of boards. For good-quality boards it is Takes a high polish and a usual practice to quarter cut good finish. the logs.

6 Properties Average Dry Density [KD 860 750 620 780. 1). Kg/m3]. Average Dry Hardness (Hard) (Moderate) (Soft) (Hard) Moderate Rating [Janka] 1). Average Modulus of 18 14 15 15. Elasticity [GPa) 1). Average Modulus of 143 108 110 118. 1). Rupture [MPa]. Lyctid Susceptibility of Not susceptible Susceptible Tasmania, New South Susceptible Susceptible Sapwood (source AS 5604) (source AS 5604) Wales--Susceptible (source AS 5604). Victoria--Not susceptible Termite Resistance of Not resistant Not resistant Not resistant Not resistant Heartwood (inside above (source AS 5604) (source AS 5604) (source AS 5604) (source AS 5604).]

7 Ground). Marine Borer Resistance Class 4 Class 4 Class 4 Class 4. of Heartwood (source AS 5604) (source AS 5604) (source AS 5604) (source AS 5604). Natural Durability Rating Class 3 Class 3 Class 3 Class 3 Moderately durable of Heartwood Above (source AS 5604) (source AS 5604) (source AS 5604) (source AS 5604). Ground Natural Durability Rating Class 3 Class 4 Class 4 Class 3 Moderately durable of Heartwood In-Ground (source AS 5604) (source AS 5604) (source AS 5604) (source AS 5604). Contact 1).

8 Bottle, K. R.: Wood in Australia, 2005 McGraw-Hill Australia