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Forest red gum
Forest red gum (Eucalyptus tereticornis)

Family: Myrtaceae

Common names: Blue gum, Forest gum, Forest red gum, Red forest gum, Red gum, Tereticornis gum

Distributed in: Australia, Brazil, Fiji, Ghana, India, Madagascar, Morocco, Pakistan, Papua New Guinea, Rwanda, Solomon Islands, South Africa, Tanzania, Uganda, Zimbabwe (Africa, Latin America, Mediterranean Sea Region, Oceania and S.E. Asia)

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.

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

Product sources: Long lengths of the timber are very rare.

Environment profile: Status has not been officially assessed

Colors: the heart isRed, Redand the sapwoodGrayish white, White to yellow.The grain isWavy, the textureUniform

Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Susceptible to attack from termites (Isoptera)

Odor: No specific smell or taste

Kiln Schedules: Dry at a moderate speed

Drying Defects: Expect slight collapse and honeycombing, Moderate surface checking

Ease of Drying: Reconditioning Treatement

Comments: Hard and strong Heavy

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Gluing: Requires reconditioning

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fairly Easy to Very Easy, Holds nails well

Planing: Response to hand and machine tools is fairly good

Resistance to Abrasion: Highly resistant to wear

Resistance to Impregnation: Sapwood is resistant

Response to hand tools: Responds well to hand tools

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Turning: Fairly Easy to Very Easy

Polishing: Good; Staining: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,71 0,82
Density 865 kg/m3
Bending Strength 803 1227 kg/cm2
Crushing Strength 97 150 kg/cm2
Hardness 963 kg
Impact Strength cm
Shearing Strength 147 kg/cm2
Stiffness 124 143 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 881 721 kg/m3
Maximum Load cm-kg/cm3
Toughness 175 cm-kg
Static Bending 538 723 kg/cm2
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 %

Max. crushing strength = high 0
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

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.48Boas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, MelbourneBolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBolza, 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.34Hillis, 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,1Limaye, 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.38Scott, 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.1Shukla, N.K. and Rajput, S.S.,1983,Physical and Mechanical Properties of Eucalypts grown in India,Indian Forester 109(112) 933-43Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7The Australian Timber Journal & Building Products, Merchandiser,1969,Timber Durability and Preservation,Supplement to Australian Timber Journal 35(4) Tech. Timb. Guide No.8Wallis, N.K. 1956. Australian Timber Handbook. Sponsored by The Timber Development Association of Australia. Angus & Robertson, Ltd., 89 Castlereagh Street, Sydney, Australia.
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