
American Black Walnut
Juglans Nigra
The sapwood is creamy white, heartwood is light brown to dark chocolate brown, occasionally with a purplish cast and darker streaks. Walnut can be supplied steamed, to darken sapwood or left unsteamed. Generally straight grained, but sometimes has attractive wavy or curly grain. Also known as Black Walnut, American Walnut.
Origin
North America
Density
609
Technical Data
- Density
- 609
- Modulus of Rupture Mpa Dry
- 100
- Radial Shrinkage
- 3%
- Hardness (janka) (kN)
- 5.0
- Finish
- Excellent
- Durability
- Non Durable
- Machining
- Excellent
- Split Resistance Screwing
- Good
- Split Resistance Nailing
- Good
- Gluing
- Good
- Growing Region
- North America
- Specific Gravity
- 0.55
- Modulus of Elasticity Gpa Dry
- 11
- Tangential Shrinkage
- 4%
- Stability
- Good
- Susceptible to Lyctus Borer
- Yes
- Availability
- Widely
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