Cast Iron Soil Pipe
Heavy-duty cast iron pipe designed for sanitary soil and waste venting in buildings. Classified under HTS 7303.00.00.90 as 'other' cast iron tubes, pipes, or hollow profiles, excluding specific types like flanged or threaded. Essential for high-strength plumbing in multi-story structures.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If flanged or threaded ends
Flanged cast iron pipes have a dedicated statistical suffix.
If assembled with couplings for retail sale
Coupled assemblies become iron/steel tube fittings rather than raw hollow profiles.
If dedicated as pump discharge tubes
End-use as pump parts moves to machinery-specific classifications.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide architectural specs confirming soil pipe use to prevent mix-up with pressure pipes
• Label with ASTM standards (e.g
• A888) for compliance and smoother CBP review
Related Products under HTS 7303.00.00.90
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Cast Iron Exhaust Stack Pipe
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Cast Iron Drainage Pipe
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