Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Blunting Effect Boring Carving Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Schedules Mortising Moulding Nailing Natural Durability Numerical Data Planing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Screwing Strength Properties Texture Trade Name Tree Identification Turning Weathering		Scientific Name Eucalyptus maideni Trade Name Blue gum Family Name Myrtaceae Common Names Blue gum, Maiden's gum, Maideni gum, Spotted blue gum Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Australia Common Uses Agricultural implements, Boat building (general), Decks, Flooring: industrial heavy traffic, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Light construction, Poles, Railroad ties Heartwood Color Brown Red Pink Brown Yellow to golden-yellow to orange Sapwood Color White Paler than heartwood Grain Interlocked Figure Growth rings (figure) Interlocked With distinct light and dark bands Texture Medium Coarse Natural Durability Moderately durable Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Weathering Good Kiln Schedules Dry at a slow speed Drying Defects Checking Severe collapse and honeycomb Severe surface checking Moderate collapse and honeycombing Ease of Drying Fairly Easy Reconditioning Treatement Difficult Tree Identification Bole/stem form is straight Blunting Effect Moderate Boring Fairly easy to very easy Carving Fairly Easy to Very Easy Cutting Resistance Easy to saw Gluing Easy to glue Mortising Fairly Easy to Very Easy Moulding Fairly Easy to Very Easy Nailing Fair to Good Results Planing Fairly Easy to Very Easy Resistance to Impregnation Permeable sapwood Resistant sapwood Resistant heartwood Sapwood is permeable Heartwood is extremely resistant Response to Hand Tools Responds Readily Variable qualities Easy to machine Routing & Recessing Fairly Easy to Very Easy Screwing Fair to Good Results Turning Fairly Easy to Very Easy Strength Properties Max. crushing strength = high Shearing strength (parallel to grain) = medium Bending strength (MOR) = high Density (dry weight) = 61< Bending strength (MOR) = medium Density (dry weight) = 53-60 Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Shrinkage, Radial = fairly large Shearing strength (parallel to grain) = low Density (dry weight) = 46-52 lbs/cu. ft. Shrinkage, Tangential = small Shrinkage, Tangential = moderate Shrinkage, Radial = small Hardness (side grain) = Hard Numerical Data Item Green Dry English Bending Strength 11680 18115 psi Density 55 lbs/ft3 Hardness 2318 lbs Maximum Crushing Strength 6086 8977 psi Shearing Strength 2021 psi Stiffness 1979 2280 1000 psi Weight 54 43 lbs/ft3 Radial Shrinkage 4 % Tangential Shrinkage 8 % Item Green Dry Metric Bending Strength 821 1273 kg/cm2 Density 881 kg/m3 Hardness 1051 kg Maximum Crushing Strength 427 631 kg/cm2 Shearing Strength 142 kg/cm2 Stiffness 139 160 1000 kg/cm2 Weight 865 689 kg/m3 Radial Shrinkage 4 % References Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48 Boas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, Melbourne Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research Bolza, E., Kloot, N.H.,1963,The Mechanical Properties of 174 Australian Timbers,C.S.I.R.O. Division of Forest Products Technological Paper,No.25 Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi. Scott, M.H.,1935,Weights of South African Growth Timbers,South African Department of Agriculture and Forestry Bulletin,No.145,Forest Products Institute, Forestry Series No.1 Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7 Timber Review,1976,Sepetir (Sindora Spp. and Pseudosindora palustris,Timber Review,27 p15-6