Wood inspector

Sei in: home » database dei legni
  • Decrease font size
  • Default character size
  • Encrease font size


Fornitori

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

Sito web: www.pippo.it
E-mail: 

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

Sito web: www.pippo.it
E-mail: 

Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Contatti

database dei legni


Ask informationsPrint pageSend to a friend
Black wattleBlack wattle
Black wattle (Acacia mollissima)

Family: Leguminosae

Common names: Acacia, Basboom, Black wattle, Green wattle, Swartwattel, Tan wattle, Wattle

Distributed in: Australia, India, South Africa, Sri Lanka (Africa, Oceania and S.E. Asia)

Distribution overview: Black wattle is native to Southeast Australia (Victoria to New South Wales and southern Queensland) and Tasmania, but has been extensively planted in East and South Africa and elsewhere.

Common uses: Boxes and crates, Charcoal, Chemical derivatives, Cooperages, Domestic flooring, Factory flooring, Flooring, Flooring: industrial heavy traffic, Fuelwood, Furniture, Hardboards, Mine timbers, Parquet flooring, Poles, Posts, Pulp/Paper products, Sub-flooring, Tannin, Tool handles

Product sources: Black wattle is also cultivated principally for its bark which yields tannin

Environment profile: Status has not been officially assessed

Tree size: Tree height is 20-30 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodPale brown, Red.The grain isOther figure, the textureUniformand the lusterMedium

Natural durability: Susceptible to termite attack, Very little natural resistance

Odor: No specific smell or taste

Kiln Schedules: Drying (speed) is fast

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Shakes, Splitting

Ease of Drying: Thick Stock Requires Care

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Pre-Boring Recommended, Pre-boring necessary

Planing: Moderately easy to plane

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Fairly Difficult to Difficult to Work

Routing recessing: Fairly Easy to Very Easy

Screwing: Pre-boring necessary, Pre-boring recommended; Turning: Fairly Easy to Very Easy

Polishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,58
Density 737 kg/m3
Bending Strength 760 1252 kg/cm2
Crushing Strength 64 116 kg/cm2
Hardness 752 kg
Impact Strength 137 137 cm
Shearing Strength 170 kg/cm2
Stiffness 117 151 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness 468 cm-kg
Static Bending 321 500 kg/cm2
Item Green Dry English
Bending Strength 10811 17821 psi
Crushing Strength 921 1651 psi
Density 46 lbs/ft3
Hardness 1659 lbs
Impact Strength 54 54 inches
Maximum Crushing Strength 5771 9115 psi
Shearing Strength 2430 psi
Static Bending 4567 7120. psi
Stiffness 1672 2153 1000 psi
Toughness 407 inch-lbs
Specific Gravity 0.58
Weight 46 45 lbs/ft3

Density (dry weight) = 46-52 lbs/cu. ft. 1
Max. crushing strength = high
Hardness (side grain) = medium
Shearing strength (parallel to grain) = medium
Bending strength (MOR) = medium
Modulus of Elasticity (stiffness) = medium
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = high
Toughness-Hammer drop (Impact strength)= high
Toughness (total work)= very high
Modulus of Elasticity (stiffness) = low
Max. crushing strength = medium
Density (dry weight) = 38-45 lbs/cu. ft.

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.48Banks, C.H.,1954,The Mechanical Properties of Timbers with Particular Reference to those,grown in the Union of South Africa,Journal of the South African Forestry Association,No. 24 pp.44-65,[South,African Forestry Journal]Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, E. and N. H. Kloot.1963.The Mechanical Properties of 174 Australian Timbers.Division of Forest Products Technological Paper No. 25, Commonwealth Scientificand Industrial Organization, Melbourne, Australia.Bolza, 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.25Boone, R.S., C.J. Kozlik, P.J. Bois, and E.M. Wengert. 1988.Dry Kiln Schedules for Commercial Woods - Temperate and Tropical.United States Department of Agriculture, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.E.H. Walker,1954,Important Trees of the Ryukyu Islands,United States Civil Administration of the Ryukyu Islands Special Bulletin,No. 3Farmer, R.H.,1972,Handbook of Hardwoods,HMSOGuha, S.R.D.,1969,Summary of Investigations on the suitability of Indigenous Broadleaved,woods for production of Sulphate pulps for writing and printing,Indian Forester,95(8,pp579-90Hartwig, G.L.F.,1967,Flooring Timber in S.Africa - Acacia mearnsii,The South African Builder 45(2) pp34-35HMSO.1972.Handbook of Hardwoods.2nd Edition.Revised by R.H. Farmer.Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.Jackson, A. and D. Day.1991.Good Wood Handbook - The Woodworker's Guide to Identifying, Selecting and Using the Right Wood.Betterway Publications, Cincinnati, Ohio.Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)Lincoln, W. A.1986.World Woods in Color.Linden Publishing Co. Inc., Fresno, California.Little, E.L.,1948,A Collection of Tree Specimens from Western Ecuador,Caribbean Forester,9(3,pp215-98Nation Research Council,1980,Firewood Crops Shrub and Tree Species for Energy Production,National Academy of Sciences, Washington D.C.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.1Scott, M.H.,1953,Utilisation Notes on South African Timbers,South African Forestry Department Bulletin No.36South African Lumber Millers Assoc.,1969,Notes on some Commercially Available Hardwoods,S.A.L.M.A. Timber Info. Centre Timber Technical Guide,No.1Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Timber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA]WCMC.1992.Conservation Status Listing - Trees and Timbers of the World.World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.
*Come interpretare i dati (manleva su eventuali imprecisioni)