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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. Boring Carving Comments Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Schedules Mortising Moulding Nailing Natural Durability Numerical Data Odor Planing Plantation species? Polishing Product Sources References Regions of Distribution Resistance to Abrasion Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Staining Strength Properties Synonyms Texture Trade Name Turning Scientific Name Eucalyptus tereticornis Trade Name Forest red gum Family Name Myrtaceae Synonyms Eucalyptus umbellata Common Names Blue gum, Forest gum, Forest red gum, Red forest gum, Red gum, Tereticornis gum Plantation species? Yes Regions of Distribution Africa, Latin America, Mediterranean Sea Region, Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Australia, Brazil, Fiji, Ghana, India, Madagascar, Morocco, Pakistan, Papua New Guinea, Rwanda, Solomon Islands, South Africa, Tanzania, Uganda, Zimbabwe Common Uses Agricultural implements, Boat building (general), Boat building, Boat building: framing, Boxes and crates, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Carvings, Charcoal, Construction, Domestic flooring, Excelsior, Factory construction, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Fuelwood, Furniture, Handles: general, Heavy construction, Interior construction, Interior trim, Joinery (external): ground contact, Joinery, Ladders, Lifeboats, Light construction, Matches, Millwork, Mine timbers, Moldings, Paneling, Parquet flooring, Particleboard, Piling, Plywood, Posts, Pulp/Paper products, Railroad ties, Shipbuilding, Sporting Goods, Sub-flooring, Toys, Trimming, Turnery, Vats, Vehicle parts, Veneer, Wainscotting, agricultural implements Environmental Profile Status has not been officially assessed Distribution Overview With a wide latitudinal range (6–38°S) of ca 3,000 km from sea level to 1,800 m, the forest redgum is native from eastern Australia into New Guinea and Papua, the species is widely introduced, faring notably in South Africa for example. Reported in Argentina, Botswana, Brazil (national average yield 18 m3/ha/yr), Congo, Cuba, Fiji, Ghana, Guyana, India, Indonesia, Pakistan, Papua, Paraguay, Peru, Sudan, Uruguay, and Zimbabwe. Heartwood Color Red Pink Pale red to pink Dark brown Red Sapwood Color White to yellow Grayish white Different than heartwood Creamy in color Grain Interlocked Wavy Closed Even Straight Interlocked Wavy Generally straight, but not always Texture Fine Even or uniform Uniform Fine Fine to medium Even textured Natural Durability Non-resistant to marine borers Non-resistant to termites Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Durable Susceptible to attack from termites (Isoptera) Moderately resistant to Marine Borer attack Resistant to decay Resistant to attack from marine borers Moderately resistant to termite (Isoptera) attack Moderately durable Good weathering properties Odor Has an odor No specific smell or taste Kiln Schedules Dry at a moderate speed Drying Defects Discoloration Distortion Moderate surface checking Expect slight collapse and honeycombing Ease of Drying Reconditioning Treatement Fairly Easy Little degrade Moderate Stacks should be covered during air-drying Product Sources Long lengths of the timber are very rare. Comments Hard and strong Heavy Boring Fair to good results Fairly easy to very easy Carving Fair to Good Results Fairly Easy to Very Easy Cutting Resistance Easy to saw Cuts well Gluing Fair to Good Results Fairly Easy to Very Easy Easy to glue Requires reconditioning Mortising Fair to Good Results Fairly Easy to Very Easy Moulding Fairly Easy to Very Easy Fair to Good Results Nailing Fair to Good Results Fairly Easy to Very Easy Holds nails well Planing Fair to Good Results Fairly Easy to Very Easy Response to hand and machine tools is fairly good Good planing properties Ease of planing is moderate Resistance to Abrasion Highly resistant to wear Good for flooring Resistance to Impregnation Resistant sapwood Resistant heartwood Permeable sapwood Sapwood is permeable Heartwood is resistant Sapwood is resistant Sapwood is permeable Sapwood is extremely resistant Heartwood resistance to preservative treatment is very high Heartwood is moderately resistant Heartwood is extremely resistant Response to Hand Tools Responds Readily Easy to machine Responds well to hand tools Moderate working qualities Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Sanding Fair to Good Results Fairly Easy to Very Easy Turning Fair to Good Results Fairly Easy to Very Easy Polishing Good results Staining Fair to Good Results Very Good to Excellent Results Strength Properties Max. crushing strength = high Shearing strength (parallel to grain) = medium Shrinkage, Radial = fairly large Density (dry weight) = 61< Bending strength (MOR) = medium Shearing strength (parallel to grain) = high Bending strength (MOR) = high Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Density (dry weight) = 53-60 Shrinkage, Tangential = moderate Shearing strength (parallel to grain) = low Numerical Data Item Green Dry English Bending Strength 11428 17458 psi Crushing Strength 1387 2141 psi Density 54 lbs/ft3 Hardness 2125 lbs Maximum Crushing Strength 5959 9142 psi Shearing Strength 2098 psi Static Bending 7664 10290 psi Stiffness 1769 2043 1000 psi Toughness 152 inch-lbs Specific Gravity 0.71 0.82 Weight 55 45 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 9 % Item Green Dry Metric Bending Strength 803 1227 kg/cm2 Crushing Strength 97 150 kg/cm2 Density 865 kg/m3 Hardness 963 kg Maximum Crushing Strength 418 642 kg/cm2 Shearing Strength 147 kg/cm2 Static Bending 538 723 kg/cm2 Stiffness 124 143 1000 kg/cm2 Toughness 175 cm-kg Specific Gravity 0.71 0.82 Weight 881 721 kg/m3 Radial Shrinkage 5 % 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. Technological Paper No. 25. Division of Forest Products, Center for Scientific and Industrial Organization (CSIRO, Melbourne, Australia. Bolza, E.,1975,Properties and Uses of 175 Timber Species from Papua New Guinea and West,Irian,C.S.I.R.O. Div. Building Research Report,no.34 Hillis, W.E. and A.G. Brown, Editors. 1984. Eucalyptus for Wood Production. Commonwealth Scientific and Industrial Research Organization, Academic Press, Australia. Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1 Limaye, V. D. and B. R. Sen. 1956. Weights and Specific Gravities of Indian Woods. Indian Forest Records (New Series). Timber Mechanics. Volume 1 No. 4. Manager of Publications (Publisher, Delhi. Poynton, R.J.,1957,Notes on Exotic Forest Trees in South Africa (Second Edition, Revised,South African Forestry Department Bulletin No.38 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 Shukla, N.K. and Rajput, S.S.,1983,Physical and Mechanical Properties of Eucalypts grown in India,Indian Forester 109(112) 933-43 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 The Australian Timber Journal & Building Products, Merchandiser,1969,Timber Durability and Preservation,Supplement to Australian Timber Journal 35(4) Tech. Timb. Guide No.8 Wallis, N.K. 1956. Australian Timber Handbook. Sponsored by The Timber Development Association of Australia. Angus & Robertson, Ltd., 89 Castlereagh Street, Sydney, Australia.