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HSChapter 68
U.S. imports of prefabricated structural components of cement, concrete, or artificial stone (HS 681091) totaled $4.6M in April 2026, traded with 19 countries.
Importers of Prefabricated Structural Components of Cement, Concrete, or Artificial Stone paid $31K in duties in April 2026 — an effective duty rate of 11% on $280K in dutiable value, based on actual customs collections rather than the published tariff schedule. Prefabricated Structural Components of Cement, Concrete, or Artificial Stone imports of $4.6M in April 2026 ran 45% above the year-to-date monthly average of $3.2M.
Last updated: April 2026 dataPrecast concrete structural elements — including beams, columns, wall panels, and bridge components — are classified here when manufactured off-site for assembly in building or civil engineering projects. Canada and Mexico are the primary US import sources, consistent with the logistical constraints of shipping heavy precast elements across long distances. Poland and Sweden also appear among top suppliers, reflecting European precast technology exports for specialized infrastructure applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. The heading explicitly covers prefabricated structural components 'whether or not reinforced,' so the presence of embedded rebar, post-tensioning cables, or welded wire mesh does not change the classification. The steel reinforcement is considered incidental to the concrete article. However, if the steel component is the essential character of the article — for example, a steel frame with only a thin concrete facing — reclassification under a steel heading may be appropriate.
Precast concrete elements are extremely heavy and costly to ship over long distances, so proximity is a decisive commercial factor. Canadian producers can serve US border-state construction projects economically, and USMCA facilitates customs clearance for qualifying Canadian-origin goods. For large infrastructure projects, importers should also confirm that the structural specifications meet applicable US building codes and engineering standards, as these requirements are enforced at the project level rather than at customs.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 6810910000 | PREFB STRCTRL CMPNTS O CNCRT CMNT O ARTF STONE | $4.6M | 11.21% | $31K |
PREFB STRCTRL CMPNTS O CNCRT CMNT O ARTF STONE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6810910000 | PREFB STRCTRL CMPNTS O CNCRT CMNT O ARTF STONE | $3.7M |
PREFB STRCTRL CMPNTS O CNCRT CMNT O ARTF STONE
1.2K t
OTHR ARTS NESOI OF CMNT ETC
HS 681099
MARBLE, TRAVERTINE AND ALABASTER, WORKD, NESOI
HS 680291
WORDK MONUMENTAL OR BUILDING STONE, NESOI
HS 680299
GRANITE, NESOI
HS 680293
ABRASIVES ON A BASE MATERIAL OTH THN FABRC O PAPER
HS 680530
ARTICLES OF ASPHALT OR SIMILAR MATERIALS IN ROLLS
HS 680710
| Port | Imports | Exports | Balance |
|---|---|---|---|
| BUFFALO-NIAGARA FALLS, NY | $720K | $857K | +$137K |
| ANCHORAGE, AK | $1.5M | -- | -$1.5M |
| DETROIT, MI | $213K | $436K | +$223K |