Heavy Cast Iron Culvert Pipe 12-inch
12-inch heavy wall cast iron culvert pipe for road and railway drainage underpasses. Classified under HTS 7303.00.00 as large-diameter hollow profiles of cast iron for infrastructure.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If steel culvert sections
Steel equivalents use 7308 for other hollow sections.
If boiler-quality cast iron
Specialized castings for pressure go to 7304.
If assembled into barrels
If configured as containers, reclassifies to 7309.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• ASTM A48 Class 30 min; impact test reports for heavy walls
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