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Fornitori

Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 4
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Ditta 3
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Ditta 2
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Ditta 1
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Ditta 0
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Blue gum
Blue gum (Eucalyptus grandis)

Family: Myrtaceae

Common names: Blue gum, Eucalyptus, Flooded gum, Grandis gum, Kalitunsi, Rose gum, Saligna, Saligna gum, Sydney blue gum

Distributed in: Australia, Congo, Madagascar, Malaysia, South Africa, Uganda, Zambia (Africa, Oceania and S.E. Asia)

Common uses: Agricultural implements, Boat building (general), Cabinetmaking, Flooring, Fuelwood, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Light construction, Mine timbers, Paneling, Particleboard, Piling, Plywood, Poles, Pulp/Paper products, Railroad ties, Shingles, Sporting Goods, Toys, Turnery, Veneer, Wheel spokes, Wheels

Tree size: Tree height is 30-40 m

Colors: the heart isReddish brown, White to creamand the sapwoodPaler than heartwood, White to yellow.The grain isStriped figure, the textureMedium coarse

Natural durability: Susceptible to marine borer attack, Very durable

Kiln Schedules: UK=C US=T3C2/T3C1 Fr=3

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Moderate surface checking, Slight cupping

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good General finishing qualities are rated as satisfactory

Blunting Effect: Blunting effect on machining is slight

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Easy to glue

Nailing: Holds nails well, Holds satisfactorily

Planing: Planes well, to a good finish

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Poor

Response to hand tools: Variable qualities

Routing recessing: Satisfactory routing results

Sanding: Good sanding finish

Screwing: Easy to screw ; Turning: Turns with moderate ease

Painting: Good; Polishing: Good; Staining: Figure shows patterns other than those generally described ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 624 kg/m3
Bending Strength 760 1182 kg/cm2
Crushing Strength 391 585 kg/cm2
Hardness 613 kg
Impact Strength cm
Shearing Strength 137 kg/cm2
Stiffness 127 146 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 608 480 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10816 16825 psi
Density 39 lbs/ft3
Hardness 1353 lbs
Maximum Crushing Strength 5564 8321 psi
Shearing Strength 1952 psi
Stiffness 1809 2088 1000 psi
Weight 38 30 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Bending strength (MOR) = medium 0
Shearing strength (parallel to grain) = low
Max. crushing strength = medium
Shrinkage, Radial = moderate
Max. crushing strength = high
Density (dry weight) = 38-45 lbs/cu. ft.
Shrinkage, Radial = small
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = medium
Hardness (side grain) = soft
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = high
Shearing strength (parallel to grain) = very low
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = high
Max. crushing strength = low
Hardness (side grain) = medium
Density (dry weight) = 31-37 lbs/cu. ft.
Density (dry weight) = 23-30 lbs/cu. ft.

Australia - N.S.W. Forestry Commission,1968,Working Properties of some Native and Imported Timbers,Forestry Commission of New South Wales, Technical Publication No.8Australia - N.S.W. Forestry Commission,1988,Furniture Timbers of New South Wales,Forest Commission, N.S.W., Aust. Tech. Publication No.1Banks, 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.48Bolza, 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,C.S.I.R.O. Division of Forest Products Technological Paper,No.25Keating, 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,1Musokotwane, E.O.,1978,Utilization Potential of Plantation grown Eucalyptus grandis in the Mining,Industry in Zambia,Wood quality and utilization of tropical species. Proceedings, IUFRO,conference held at FORPRIDECOM, Laguna, Oct.30-Nov.3. Tamolang, F.N.(ed,164-177Poynton, R.J.,1957,Notes on Exotic Forest Trees in South Africa (Second Edition, Revised,South African Forestry Department Bulletin No.38Takahashi, 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.8
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