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
Northern white-cedar
Northern white-cedar (Thuja occidentalis)

Family: Cupressaceae

Common names: Arbor vitae, Arborvitae, Cedar, Eastern arborvitae, Eastern cedar, Eastern white cedar, Eastern white-cedar, Northern cedar, Northern white cedar, Northern white-cedar, Swamp cedar, White cedar

Distributed in: Canada, United States (North America)

Distribution overview: This North American species occurs in Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, and Saskatchewan in Canada. In the United States, it is distributed in Iowa, Maine, Michigan, Minnesota, North Carolina, New Hampshire, New Jersey, New York, Ohio, Great Smoky Mountain National Park, Maryland, Massachusetts, Connecticut, Kentucky, Illinois, Pennsylvania, South Carolina, Tennessee, Virginia, Vermont, Wisconsin, West Virginia, and Indiana. usually found growing in pure stands, and is adapted to swamps and neutral alkaline soils on limestone uplands.

Common uses: Boat building (general), Boat building, Canoes, Chairs, Chemical containers, Exterior trim & siding, Exterior uses, Fishnet floats, Floats, Foundation posts, Furniture , Furniture, Joinery (external): ground contact, Lifeboats, Novelties, Piling, Poles, Posts, Railroad ties, Rustic furniture, Shingles, Shipbuilding, Sporting Goods, Stakes, Tables , Utility furniture, Utility poles, Vats, Woodenware

Environment profile: May be rare in some parts of its range

Tree size: Tree height is 20-30 m This is a slow growing tree, which may reach 400 or more years of age

Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodPaler than heartwood, White to yellow.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Resistant to attack from powder post (Lyctid & Bostrychid) beetles, Very durable

Odor: Has a characteristic cedary smell and a faint bitter taste

Kiln Schedules: T12 - B4 (4/4) T11 - B3 (8/4) US/T12 - B4 (4/4) T11 - B3 (8/4) US

Drying Defects: Checking, Distortion

Ease of Drying: Variable

Tree Identification: Bole/stem form is fluted

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Gluing: Very good properties

Mortising: Finishes well

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Nails hold poorly, Very Good to Excellent

Planing: Planes well, to a good finish

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Yields a smooth, clean finish

Routing recessing: Routing yields good results

Sanding: Fairly Easy to Very Easy

Steam bending: Poor

Screwing: Poor screw holding properties , Very Good to Excellent Results; Turning: Good results

Painting: Very good painting qualities ; Staining: Very Good to Excellent; Varnishing: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,28 0,29
Density 352 kg/m3
Bending Strength 237 358 kg/cm2
Crushing Strength 15 21 kg/cm2
Hardness 146 kg
Impact Strength 38 32 cm
Shearing Strength 61 kg/cm2
Stiffness 58 71 1000 kg/cm2
Tangential Shrinkage 4 %
Radial Shrinkage 2 %
Weight 368 352 kg/m3
Maximum Load 0,35 0,35 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 3380 5098 psi
Crushing Strength 225 304 psi
Density 22 lbs/ft3
Hardness 322 lbs
Impact Strength 15 13 inches
Maximum Crushing Strength 2086 3978 psi
Shearing Strength 875 psi
Stiffness 839 1011 1000 psi
Work to Maximum Load 5 5 inch-lbs/in3
Specific Gravity 0.28 0.29
Weight 23 22 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %
Volumetric Shrinkage 7 %

Density (dry weight) = 15-22 lbs/cu. ft.
Work to Maximum Load = very low
Shearing strength (parallel to grain) = very low
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Hardness (side grain) = very soft
Density (dry weight) = 23-30 lbs/cu. ft.
Bending strength (MOR) = very low
Toughness-Hammer drop (Impact Strength) = very low
Soft
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Dents or scratches easily
Density (dry weight) = 31-37 lbs/cu. ft.
Bending strength (MOR) = low
Northern white cedar has low strength properties in stiffness, hardness, and resistance to shock

Betts, H.S.,1949,American Woods - Northern White Cedar,USDA, Forest Service American WoodsBolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. AustraliaBoone, 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, Forest Products Laboratory, General Technical Report FPL-GTR-57, Madison, Wisconsin.Brown, H.P. and Panshin, A.J.,1940,Commercial Timbers of the United States Their structure, identification,,properties and uses,McGraw-Hill, LondonCanadian Forestry Service. 1981.Canadian Woods - Their Properties and Uses. Third Edition. E.J. Mullins and T.S. McKnight, Editors. Published by University of Toronto Press, Toronto, Canada.Clifford, N.,1957,Timber Identification for the Builder and Architect,Leonard Hill (Books) LTD. LondonDallimore, W. and Jackson, A. Bruce,1966,A Handbook of Coniferae and Ginkgoaceae Fourth Ed. Revised by S.G.,Harrison,Edward Arnold (Publishers) Ltd. LondonForest Products Research Laboratory U.K.,1957,A Handbook of Softwoods,Department of Scientific and Industrial Research Forest Products Research,HMSOLittle, E.L.1980.The Audubon Society Field Guide to North American Trees - Eastern Region.Published by Arthur A. Knopf, New York.Markwardt, L.J., Wilson, T.R.C.,1935,Strength and related properties of woods grown in the United States,U.S.A. Department of Agriculture Technical Bulletin,No.479Mullins, E.J. and McKnight, T.S.,1981,Canadian Woods Their Properties and Uses,University of Toronto Press 3rd EditionPanshin, A.J. and C. deZeeuw. 1980. Textbook of Wood Technology, 4th Edition. McGraw-Hill Series in Forest Resources. McGraw-Hill Book Company, New York.Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressTitmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd editionU.S.D.A. Forest Service,1974,Wood Handbook,U.S.A. Department of Agriculture, Forest Service Handbook,72USDA. 1987. Wood Handbook - Wood as an Engineering Material, Forest Service, Agriculture Handbook No. 72, Forest Products Laboratory, Madison, Wisconsin.USDA. 1988. Dry Kiln Operators Manual, Preliminary Copy. Forest Service, Forest Products Laboratory, Madison, Wisconsin.
*Come interpretare i dati (manleva su eventuali imprecisioni)