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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 July 2026, traded with 23 countries.
Importers of Prefabricated Structural Components of Cement, Concrete, or Artificial Stone paid $54K in duties in July 2026 — an effective duty rate of 13% on $431K 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 July 2026 ran 30% above the year-to-date monthly average of $3.5M.
Last updated: July 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.
481 shipments/mo
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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Subheading 4 of 4 in heading 6810
Subheading 681091 · $4.6M of $198.6M
ImportsExports
Imports
$4.6MYoY · Pro
Exports
$3.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6810910000 | Prefb Strctrl Cmpnts O Cncrt Cmnt O Artf Stone | $4.6M | 1.18% | 9.44% | $54K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6810910000 | Prefb Strctrl Cmpnts O Cncrt Cmnt O Artf Stone | $3.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Canada and Mexico together supply 87% of it.
customs district
destination
entry
rate provision · imports
90.6% enters free of duty; the effective duty rate is 1.18%.