Walnut

 

WOOD TYPE

Common names: AMERICAN WALNUT, AMERICAN WALNUT, American black walnut, Virginia walnut.

Botanical classification: Juglans nigra. Fam.: Junglandaceae.

GENERAL

Main products: Sawn wood, veneer.

Natural attributes - structure - origins: Medium weight wood (640 kg/m³) with heartwood of black-brown color to purplish-black. It is usualy straight grained, but sometimes wavy or curly grain is present. The texture is rough (porous wood). It grows in Eastern U.S. and Ontario, Canada

Natural durability in time: Very resistant to fungus. The sapwood may be infected by the bug Lyctus.

Mechanical attributes: Strong, hard wood with average density, moderate flexural and crushing strength and low inflexibility.

Density: R (12-15%) = 0.64 g/cm³

WOOD PROPERTIES AND PROCESSING OPERATIONS

Drying behavior and stability after drying: It dries rather slowly with honeycombing tendency and requires special attention to avoid degradation and checking. There is little dimensional variability after drying.

Impregnation behavior: The heartwood is resistant to impregnation.

Bending behavior: Wood with good flexural behaviour during steaming.

Working properties - tool blunting: Works with hand tools and machines without difficulty, with moderate tool blunting.

Νailing and screwing: Good nailing, screwing with satisfactory good grip.

Gluing behavior: Good.

Dyeing and finishing: Very good paint, very good finish.

APPLICATIONS

In the USA used for gun handles. High quality furniture, interior joinery, shipbuilding, musical instruments, woodwork, turnery, decorative veneer with different designs.

 

 

teak isoveno 660