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Coigue
Coigue (Nothofagus sp.)

Family: Fagaceae

Common names: Anis, Coigue, Coihue, Coyan, Hualo, Lengue, Nire, Rauli, Roble, Roble ruili, South American beech

Distributed in: Argentina, Chile (Latin America)

Distribution overview: Coigue (N. dombeyi) occurs from latitude 38 degrees south northward along the coast of Chile, and up the river valleys into the high cordilleras in northern Llanquihue. It is adapted to poor soils. Rauli (N. procera) grows from the Province of Valparaiso to the Province of Valdivia, and thrives mostly on good soils.

Common uses: Bedroom suites, Bent Parts, Building materials, Cabinetmaking, Chairs, Chests, Cooperages, Desks, Dining-room furniture, Domestic flooring, Drawer sides, Fine furniture, Flooring, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Living-room suites, Millwork, Office furniture, Parquet flooring, Radio - stereo - TV cabinets, Rustic furniture, Stools, Sub-flooring, Utility furniture, Wardrobes

Environment profile: Status has not been officially assessed

Tree size: Nothofagus trees attain heights of up to 130 feet (39 m), with trunk diameters that are often 24 to 36 inches (60 to 90 cm), but sometimes reaching 6 to 8 feet (2 to 2.4 m). They develop boles that are often free of branches to about 60 feet (18 m)

Colors: the heart isReddish brown, Yellowand the sapwoodCream/Pale brown , Yellow.The grain isStraight, the textureVariableand the lusterLow to medium

Natural durability: Natural resistance to decay varies by species , Resistant to termites

Odor: No specific smell or taste

Kiln Schedules: Schedule B(4/4) United Kingdom

Drying Defects: Splitting, Twisted curls create pronounced figure

Ease of Drying: Variable results.

Blunting Effect: Little

Boring: Fairly easy to very easy

Carving: Good results

Cutting Resistance: Easy to saw

Gluing: Good gluing properties

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, Very Good to Excellent

Planing: Yields clean surfaces

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Steam bending: Good

Screwing: Fairly Easy to Very Easy, Very Good to Excellent Results; Turning: Fairly Easy to Very Easy

Staining: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,45
Density 592 kg/m3
Bending Strength 573 874 kg/cm2
Crushing Strength 253 483 kg/cm2
Hardness 439 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 92 116 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 8161 12444 psi
Density 37 lbs/ft3
Hardness 970 lbs
Maximum Crushing Strength 3600 6877 psi
Stiffness 1317 1656 1000 psi
Specific Gravity 0.45
Radial Shrinkage 4 %
Tangential Shrinkage 7 %

Very dense
Resists denting and marring
Hardness = medium
Compression strength (parallel to grain) = high
Bending strength (MOR) = high
Bending strength in the air-dry condition (about 12 percent moisture content) is high - comparable to Teak. Strength in compression parallel to grain is in the high range. Other species in this range include Teak, White oak, and Hard maple

Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods - Temperate and Tropical. USDA, 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.Kaiser, Jo-Ann.Wood of the Month:S. American Cherrywood - The Cherrywood that's not True Cherry.Wood & Wood Products, May, 1990.Page 32.
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