Cast Iron Soil Pipe 4-inch Diameter
A 4-inch diameter cast iron pipe used in plumbing systems for drainage, waste, and vent applications. Its hollow profile made entirely of cast iron, designed for conveying sewage, places it 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 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
• Verify the pipe meets ASTM A74 or CISPI 301 standards for cast iron soil pipe
• Declare the pipe as 'soil pipe' for accurate classification
• Keep records of the pipe's hubless or hub-and-spigot design for CBSA review
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.