Harmonized System
U.S. exports of rigid plastic tubes, pipes & hoses, nesoi (HS 391729) totaled $27.4M in August 2026.
Importers of Rigid Plastic Tubes, Pipes & Hoses, NESOI paid $1.8M in duties in August 2026, an effective tariff rate of 8.63% of the $20.5M imported — duty actually collected as a share of that value, not the published tariff schedule. Rigid Plastic Tubes, Pipes & Hoses, NESOI imports of $20.5M in August 2026 ran 25% above the year-to-date monthly average of $16.4M.
Last updated: August 2026 dataRigid plastic pipe not made from polyethylene, polypropylene, or PVC — including nylon, acetal, PVDF, and other engineering resins — falls here as a residual category serving chemical-process, semiconductor, and high-purity fluid-handling industries. The US schedule splits this heading by diameter: under 200 mm (3917290050) and 200 mm or greater (3917290090), a distinction that reflects the different end-use markets and often different manufacturing processes for large-bore versus small-bore pipe. Canada and Germany are the leading suppliers, pointing to both USMCA-integrated North American supply chains and European specialty-resin manufacturing. Importers should be prepared to document the specific resin type, as CBP may challenge classification if the material could plausibly fall under a more specific heading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.3K shipments/mo
The 200 mm cutoff in lines 3917290050 (under 200 mm) and 3917290090 (200 mm and above) reflects different commercial and industrial end-uses: smaller-diameter pipe is predominantly used in instrumentation, laboratory, and light industrial applications, while large-bore pipe serves infrastructure and heavy industrial installations. The split allows CBP and trade analysts to track these distinct market segments separately.
Fluoropolymer pipes that are rigid and not made from polyethylene, polypropylene, or PVC would generally fall under the NESOI heading 391729, provided they are not more specifically described elsewhere in Chapter 39. Importers should retain the manufacturer's resin certification and consider requesting a CBP binding ruling if the classification is contested, as fluoropolymer articles can sometimes be argued under other headings depending on form and function.
HSChapter 39
Subheading 4 of 10 in heading 3917
Subheading 391729 · $27.4M of $359.1M
Trade Directory
List your company under HS 391729 — Rigid Plastic Tubes, Pipes & Hoses, NESOI, so the companies trading it can find you. Be the first supplier listed.
ImportsExports
Imports
$20.5MYoY · free account
Exports
$27.4MYoY · free account
12-mo low · imports
YoY · free accountOver the twelve months to August 2026, the U.S. imported $196.7M of Rigid Plastic Tubes, Pipes & Hoses, NESOI.
Through August 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 |
|---|---|---|---|---|---|
| 3917290090 | Tubes,Pipes&hoses,Rigid,of Plastic,NESOI,>=200mm | $19.4M | 8.43% | 62.93% | $1.6M |
| 3917290050 | Tubes,Pipes&hoses,Rigid,of Plastic, NESOI, <200mm | $1.1M | 12.16% | 75.30% | $136K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3917290090 | Tubes,Pipes&hoses,Rigid,of Plastic,NESOI,>=200mm | $26.5M |
| 3917290050 | Tubes,Pipes&hoses,Rigid,of Plastic, NESOI, <200mm | $931K |
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.
Exports · August 2026
destination
customs district
origin
entry
rate provision · imports
36.5% enters free of duty; duty collected equals 8.63% of total import value.