Copper Azole Treated Ash Posts
Nonconiferous ash wood posts treated with copper azole preservative for vineyard and orchard support. Delivered in roughly squared form suitable for agricultural staking, HTS 4403.12.0050.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically pile-driving types
Statistical suffix distinguishes piles from general posts/poles.
If veneer or plywood sheets
Different end products from rough poles have separate headings.
If painted or further finished
Additional workings beyond preservation move to other wood articles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide supplier invoices showing treatment specifications and wood moisture content
• Avoid bundling with hardware to prevent set classification under 4418
• Test for proper sapwood removal to maintain rough wood status
Related Products under HTS 4403.12.00.50
Creosote-Treated Pine Utility Poles
Rough-cut pine poles treated with creosote preservative for use in electrical and telecommunication utility lines. These nonconiferous wood poles are in the rough state, stripped of bark, and not squared, fitting HTS 4403.12.0050 as 'other' poles, piles, and posts treated with preservatives.
CCA-Treated Oak Fence Posts
Nonconiferous oak posts pressure-treated with chromated copper arsenate (CCA) for agricultural fencing. Supplied in rough form, suitable for direct ground insertion, classified under HTS 4403.12.0050 as other treated nonconiferous posts.
Pentachlorophenol Treated Hickory Piles
Rough hickory wood piles treated with pentachlorophenol for marine construction and dock foundations. Nonconiferous species in untreated rough form except for preservative treatment, under HTS 4403.12.0050 'other' category.
ACQ-Treated Maple Telegraph Poles
Rough maple poles pressure-treated with alkaline copper quat (ACQ) for rural telegraph lines. Nonconiferous utility poles meeting 'other poles' criteria under HTS 4403.12.0050 for treated rough wood.
Creosote-Treated Walnut Fence Posts
Premium nonconiferous walnut posts treated with creosote for permanent ranch fencing. Rough form with bark removed, classified as other treated posts under HTS 4403.12.0050.
Borax-Treated Cherry Piles
Nonconiferous cherry wood piles treated with borax preservative for foundation work. Rough state suitable for driving, under HTS 4403.12.0050 as other treated piles.