Cast Iron Stack Pipe for Multi-Story Buildings
Heavy-duty cast iron stack pipe sections for vertical drainage in high-rise buildings. As a seamless hollow profile of cast iron, it is precisely under HTS 7303.00.00 for structural plumbing.
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% |
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 welded reservoir tanks
If formed into tanks, shifts to 7309; remains pipe if linear profile.
If malleable iron duplicates
Malleable castings use 7307.19 separate from standard cast iron.
If square/rectangular profiles
Non-circular hollow sections classify under 7308.40.
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
• CISPI 301 standard mandatory; test for 10-ft head pressure
• Long lengths (>20ft) need custom cradling to avoid bending stresses
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