U.S. exports of Ceramic Pipes, Conduits, Guttering & Pipe Fittings (SITC 66243) totaled $227K in August 2026.
Importers of Ceramic Pipes, Conduits, Guttering & Pipe Fittings paid $34K in duties in August 2026, an average duty rate of 27.28% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Ceramic Pipes, Conduits, Guttering & Pipe Fittings imports of $124K in August 2026 ran 17% above the year-to-date monthly average of $106K.
Last updated: August 2026 dataVitrified clay pipes and ceramic conduit systems have served as the preferred material for gravity sewer, drainage, and chemical waste conveyance for over a century, valued for their chemical inertness and long service life in corrosive environments. This category covers the full range of ceramic pipe products — straight runs, guttering sections, and shaped fittings — used in municipal infrastructure and industrial drainage. Classification within this heading depends on whether the article is a pipe body or a fitting, and on the ceramic body type (stoneware, vitrified clay, or other), which can affect applicable duty rates.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
10 import shipments a month
Both straight pipe sections and shaped fittings (elbows, junctions, reducers) are covered within this heading, but the specific subheading may differ. The key classification factors are the ceramic material type and whether the article functions as a pipe body or a connecting/directional fitting. Importers should ensure that fittings are invoiced and described separately from pipe sections if they carry different tariff treatment.
Vitrified clay pipe's chemical resistance to acids, alkalis, and biological attack makes it the material of choice for industrial effluent and aggressive-soil sewer applications. This material distinction is also the basis for its separate tariff classification from plastic (HDPE, PVC) or concrete pipe, which fall under entirely different headings. Importers should confirm the ceramic body composition in supplier documentation to avoid misclassification as a plastic or cement pipe product.
Basic heading 66243 · $227K of $13.0B
Exports · August 2026
destination
Mexico and Japan together take 81% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$124KYoY · free account
Exports
$227KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $1.2M of Ceramic Pipes, Conduits, Guttering & Pipe Fittings and exported $2.1M.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026. Source: U.S. Census Bureau.
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