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 for structural plumbing, it falls under tariff item 7303.00.00 for tubes, pipes, and hollow profiles of cast iron.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the stack pipe is imported with cast iron fittings
Fittings are classified under heading 7307.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the pipe meets local building codes for vertical drainage stacks
• Provide detailed specifications, including length and diameter, for CBSA classification
• Maintain documentation on the pipe's load-bearing capacity and material grade
Related Products under Tariff item 7303.00.00
Cast Iron Chimney Flue Pipe 5-inch x 10ft
A 5-inch diameter, 10-foot length cast iron flue pipe used for venting smoke and gases from wood stoves and fireplaces. Its hollow cylindrical profile and cast iron construction make it classifiable under tariff item 7303.00.00 as a tube, pipe, or hollow profile of cast iron.
Cast Iron Condensate Drain Pipe 1.5-inch
A 1.5-inch cast iron pipe designed for HVAC condensate drainage from air handlers. As a small-diameter hollow profile of cast iron, it falls under tariff item 7303.00.00 for tubes, pipes, and hollow profiles of cast iron.
Cast Iron Drain Pipe 6-inch Hubless
A 6-inch hubless cast iron pipe used for stormwater drainage and sanitary sewer lines. Its seamless hollow design and cast iron material qualify it under tariff item 7303.00.00 as a tube, pipe, or hollow profile of cast iron.
Cast Iron Gas Vent Pipe 4-inch
A 4-inch cast iron pipe used for venting natural gas appliances like boilers in commercial settings. Its hollow profile and cast iron construction, resistant to high temperatures, place it under tariff item 7303.00.00 for tubes, pipes, and hollow profiles of cast iron.
Cast Iron Municipal Water Main Pipe 8-inch
An 8-inch diameter cast iron pipe for underground municipal water mains and distribution. As a large-scale hollow profile of cast iron for pressurized water conveyance, it falls under tariff item 7303.00.00 for tubes, pipes, and hollow profiles of cast iron.
Cast Iron Pump Discharge Pipe 3-inch
A 3-inch cast iron discharge pipe connecting sump pumps to drainage lines. Its hollow profile and cast iron construction for fluid handling applications make it classifiable under tariff item 7303.00.00 as a tube, pipe, or hollow profile of cast iron.