Cast Iron Soil Stack Pipe 3-inch
A 3-inch diameter cast iron pipe engineered for vertical soil stacks in multi-story buildings, carrying waste from plumbing fixtures to sewers. With thick walls for structural integrity, it is a cast iron soil pipe classified under tariff item 7303.00.00.
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 |
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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 made of non-cast iron or welded steel
Welded pipes of iron or non-alloy steel are classified under heading 7306, not 7303.
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
• Provide the pipe's wall thickness and diameter specifications to confirm classification under 7303.00.00
• Ensure the product meets Canadian standards for soil stack pipes, such as CSA B70
• Include installation instructions to demonstrate its intended use in vertical stacks
Related Products under Tariff item 7303.00.00
ASTM A74 Hubless Soil Pipe 4x10 ft
A 10-foot length of 4-inch hubless cast iron soil pipe conforming to ASTM A74, used for above- and below-ground waste piping. With plain ends designed for mechanical couplings, it is a cast iron tube for soil drainage, falling under tariff item 7303.00.00.
AWWA C151 Ductile Iron Pressure Pipe 8-inch
An 8-inch (203 mm ID) ductile iron pressure pipe meeting AWWA C151 standards for municipal water transmission under pressure, with a polyurethane internal lining. As a cast iron pressure pipe with an inside diameter under 356 mm, it is classified under tariff item 7303.00.00.
Cast Iron Bridge Drain Pipe
A hollow profile cast iron pipe embedded in bridge decks for runoff drainage. It is designed to withstand vibration and weather exposure. This product is classified under tariff item 7303.00.00 as a hollow profile of cast iron.
Cast Iron Chimney Flue Pipe
A cylindrical hollow cast iron pipe used for venting smoke and gases from fireplaces or boilers. It has thick walls for heat resistance and is not specialized for pressure applications. This product is classified under tariff item 7303.00.00 as a cast iron tube or pipe.
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.