Walnut Overview

Black Walnut is one of North America’s most prized hardwoods, valued for its rich chocolate-brown heartwood, excellent workability, and timeless appeal. It machines cleanly, holds intricate detail, and finishes to a deep, natural luster — making it a leading choice for cabinetry, high-end furniture, and interior architectural projects.

At Bennett Hardwoods, our kiln-dried Walnut lumber is brought to a uniform 6–8% moisture content for superior stability and surface quality. Each board is graded to NHLA standards and inspected for color consistency, grain character, and clarity — ensuring every shipment meets the expectations of craftsmen and manufacturers worldwide.

Walnut Lumber Pack

Walnut Lumber - Our Products

Every Bennett Walnut board is carefully graded to NHLA specifications and hand-selected for uniform color and appearance. Known for its distinctive grain and dimensional stability, Walnut provides a luxurious finish that enhances both traditional and modern design work.

Grades Lengths (ft) Thicknesses Surfacing
S&B 8, 9, 11-12, 13-16* 4/4, 5/4, 6/4, 8/4, 10/4*, 12/4* Rough & Surfaced
S&B Sappy 4-8, 9, 11-12, 13-16* 4/4, 5/4, 6/4, 8/4, 10/4*, 12/4* Rough & Surfaced
S&B 90/50 4-8, 9, 11-12, 13-16* 4/4, 5/4, 6/4, 8/4, 10/4*, 12/4* Rough & Surfaced
1C 4-8', 9-10', 11-12', 13-16' 4/4, 5/4, 6/4 Rough & Surfaced
2A 4-8', 9-10', 11-12', 13-16' 4/4 Rough & Surfaced

ExactSort™ Tailored Walnut Lumber, Precision Matched

Walnut naturally ranges from pale sapwood to rich dark brown heartwood with warm purple or gray undertones. With ExactSort™, Bennett Hardwoods allows customers to select by color, grain, or tone — from pure heartwood for architectural millwork to blended color for furniture and panels. Each order is sorted and bundled to your exact specifications, ensuring consistent aesthetic and production efficiency.

Learn About ExactSort™
Documented - Exact Sort 2

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Walnut

Access real-time availability of kiln-dried Walnut by grade, thickness, and surfacing. Review live stock levels, request custom quotes, and schedule shipments instantly through your Bennett customer portal.

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Sourcing Regions

Fresh-Cut. Graded. Export-Ready.

Bennett Hardwoods sources Black Walnut primarily from the Central and Midwestern United States — including Iowa, Wisconsin and Minnesota, where deep, fertile soils and steady seasonal growth produce dense, straight-grained logs with rich, uniform color.

Every board is processed, kiln-dried, and graded in-house, with ISPM-15 export compliance and full traceability from forest to container.

Map - Ash

Kiln Dried Walnut Technical Data Table

Ship American hardwoods worldwide directly from the forest,
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Scientific & Common Names

Common Names Black Walnut
Scientific Name Juglans nigra
Other Names American Walnut
Tree Distribution Eastern and Central United States

Physical & Mechanical Properties

Color / Appearance Heartwood rich dark brown to purplish-black; sapwood pale yellow-gray. Grain generally straight but may include beautiful curls or figure.
Janka Hardness 1,010 lbf (4,490 N)
Average Dry Weight 38 lb/ft³ (610 kg/m³)
Specific Gravity 0.55
Shrinkage (Tangential / Radial) 7.8 % / 5.5 %
Elastic Modulus 11.6 GPa
Crushing Strength 7,580 psi (52.3 MPa)
Workability Machines, glues, and finishes exceptionally well; responds beautifully to hand tools. Excellent stability in service.
Odor Mild, earthy scent when freshly cut.
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FAQ - Walnut

Is Walnut color consistent between shipments?

Walnut varies naturally by region, log and the proportion of sapwood to heartwood. Our custom sort program lets you specify color, tone and sapwood tolerance so every load matches the last.

Does Walnut lighten over time?

Yes — Walnut is unusual in that it mellows rather than darkens. UV exposure softens the deep chocolate heartwood toward a warmer amber-brown and reduces contrast with the sapwood. A UV-inhibiting finish slows it.

Is Walnut suitable for export projects?

Yes. American Black Walnut is among the most requested US hardwoods internationally. Bennett ships kiln-dried Walnut worldwide with EUDR-ready traceability, phytosanitary certification and ISPM-15 compliant packaging.

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