HSChapter 69
U.S. imports of ceramic pipes, conduits, guttering & pipe fittings (HS 690600) totaled $176K in May 2026, traded with 9 countries.
Importers of Ceramic Pipes, Conduits, Guttering & Pipe Fittings paid $38K in duties in May 2026 — an effective duty rate of 31% on $120K in dutiable value, based on actual customs collections rather than the published tariff schedule. Ceramic Pipes, Conduits, Guttering & Pipe Fittings imports of $176K in May 2026 ran 65% above the year-to-date monthly average of $107K.
Last updated: May 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.
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.
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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 % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6906000000 | CERAMIC PIPES, CONDUITS, GUTTERING A PIPE FITTINGS | $36K | 32.04% | 100.00% | $11K |
CERAMIC PIPES, CONDUITS, GUTTERING A PIPE FITTINGS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6906000000 | CERAMIC PIPES, CONDUITS, GUTTERING A PIPE FITTINGS | $117K |
CERAMIC PIPES, CONDUITS, GUTTERING A PIPE FITTINGS
3.8K kg
CERAMIC SANITARY FIXTURES OF PORCELAIN OR CHINA
HS 691010
CERAMIC FLAGS/PAVING/ETC, H20 ABS COEF WT <= 0.5%
HS 690721
CERAMIC TABLEWRE, KITCHNWRE ETC, EARTHENWARE ETC
HS 691200
CERAMIC WARES FOR LABORATORY ETC USE NESOI
HS 690919
STATUTTES A OTH ORNMNTL CERAM ARTCLS NT PORC/CHINA
HS 691390
CERAMIC TABLEWARE & KITCHENWARE, PORCELAIN & CHINA
HS 691110
| State | Imports | Exports | Balance |
|---|---|---|---|
| South Carolina | $3K | $61K | +$59K |
| Pennsylvania | -- | $32K | +$32K |
| Michigan | $16K | -- | -$16K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAN ANTONIO, TX | -- | $61K | +$61K |
| ANCHORAGE, AK | -- | $29K | +$29K |
| LONG BEACH, CA | $16K | -- | -$16K |