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HSChapter 44
Coniferous railway and tramway sleepers — commonly called railroad ties or crossties — that have not been treated with preservatives enter under a single 10-digit line (4406110000), distinguishing them from their impregnated counterparts. Untreated softwood ties are less common in mainline rail applications, where pressure-treated wood or concrete dominates, but they serve niche uses in light rail, tramway, and temporary track installations. Because no supplier country data is available for this heading, importers should conduct independent due diligence on origin and species documentation. Classification hinges on confirming the absence of impregnation treatment; any preservative application would shift the product to the impregnated sleeper headings.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
CBP looks for evidence of preservative penetration throughout the wood structure — such as creosote, copper-based compounds, or other biocides applied under pressure or vacuum. Surface coatings or end-sealing alone generally do not constitute impregnation. Importers should retain treatment records or mill certificates confirming the absence of impregnation to support classification under 4406110000.
USDA APHIS may require a phytosanitary certificate and, depending on the country of origin and species, compliance with wood packaging material or solid wood import regulations. Importers should confirm current APHIS requirements for the specific origin and species before shipment.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| BAHAMAS | -- | $24K | +$24K |
| JAMAICA | -- | $19K | +$19K |
| CAYMAN ISLANDS | -- | -- | -- |
| TURKS AND CAICOS ISLANDS | -- | -- | -- |
| CANADA | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4406110000 | RAILWAY/TRAMWAY SLEEPERS, CONIFRS, NOT IMPREGNATED | $43K |
MIX SPF WOOD SAWN/CHIP LENGTHW,SLICED/PEEL,GT 6MM
HS 440713
OTHER ARTICLES OF WOOD, NESOI
HS 442199
PLYWD/ETC,NES,GT-1 OUT PLY NONCNF SPECES IN SUBHD
HS 441233
ORIENTED STRAND BOARD (OSB), OF WOOD
HS 441012
BUILDERS' JOINERY AND CARPENTRY OF WOOD, NESOI
HS 441899
OTHER CONIF WOOD, SAWN/CHIPED LENTGW, THKNS GT 6MM
HS 440719
Monthly import values over time
| Port | Imports | Exports | Balance |
|---|---|---|---|
| PORT EVERGLADES, FL | -- | $24K | +$24K |
| GRAMERCY, LA | -- | $19K | +$19K |
| NORFOLK-NEWPORT NEWS, VA | -- | -- | -- |