U.S. exports of Ceramic Pipes, Conduits, Guttering & Pipe Fittings (HS 690600) 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 sewer pipes, stoneware drainage conduits, ceramic guttering, and associated fittings for gravity-flow drainage and chemical-waste systems are the primary commercial articles under this heading, which resolves to a single 10-digit line (6906000000). China is the leading supplier to the US market, followed by Belgium and South Korea. Vitrified clay pipe has a well-established role in municipal sewer infrastructure due to its chemical inertness and long service life, and Chinese-origin goods in this category may be subject to Section 301 tariffs — a cost factor that has driven some procurement toward Belgian and South Korean sources.
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
ASTM C700 (Standard Specification for Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated) is the primary US standard for vitrified clay sewer pipe used in municipal infrastructure. Importers supplying to public works projects should ensure that foreign manufacturers hold third-party certification to ASTM C700 and that test reports are available, as project specifications and local procurement rules typically require documented compliance before installation.
Chinese-origin ceramic pipes and conduits under 6906000000 may be subject to Section 301 tariffs in addition to the standard column 1 duty, increasing landed cost relative to Belgian or South Korean alternatives. Importers have responded by qualifying alternative suppliers, particularly from Belgium — which has a strong vitrified clay pipe manufacturing tradition — and South Korea. The total landed cost differential, including freight and any applicable duties, should be modeled for each origin before committing to a supply contract.
Subheading 1 of 1 in heading 6906
Subheading 690600 · $227K of $227K
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6906000000 | Ceramic Pipes, Conduits, Guttering A Pipe Fittings | $124K | 27.28% | 93.95% | $34K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6906000000 | Ceramic Pipes, Conduits, Guttering A Pipe Fittings | $227K |
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.
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.
Exports · August 2026
destination
Mexico and Japan together take 81% of it.
customs district
origin
entry
rate provision · imports
6.0% enters free of duty; duty collected equals 27.28% of imports for consumption.
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