Cast Iron Drainage Pipe
A hollow profile pipe made of cast iron, typically used in underground drainage systems for wastewater. It falls under HTS 7303.00.00.90 as it is a cast iron tube, pipe, or hollow profile not specified elsewhere in the heading. These pipes are valued for their durability and corrosion resistance in non-pressurized applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use in oil/gas pipelines
Pipes specifically for oil or gas conveyance are classified separately from general drainage uses.
If threaded and coupled for pipe fittings
Threaded cast iron pipes shift to tube/pipe fittings of iron or steel heading.
If machined and ready for plumbing assembly
Finished cast iron pump or compressor parts are under table, kitchen articles if not hollow profiles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify cast iron composition via material certification to avoid reclassification as steel pipes under Chapter 73
• Ensure proper documentation of non-pressurized use to distinguish from line pipe in 7303.00.00.40
Related Products under HTS 7303.00.00.90
Cast Iron Decorative Hollow Column
Hollow cast iron column pipe for architectural support and decoration in gazebos. Fits HTS 7303.00.00.90 as other hollow profiles of cast iron. Balances load-bearing with ornate detailing.
Cast Iron Irrigation Hollow Pipe
Durable hollow cast iron pipe for permanent irrigation channels in agriculture. HTS 7303.00.00.90 for other cast iron pipes in non-pressurized water distribution. Long-lasting in corrosive soils.
Cast Iron Lamp Post Pipe
Tall hollow cast iron pipe forming the shaft of street or garden lamp posts. Under HTS 7303.00.00.90 as other cast iron hollow profiles for lighting supports. Often textured for period authenticity.
Cast Iron Bridge Drain Pipe
Hollow profile cast iron pipe embedded in bridge decks for runoff drainage. HTS 7303.00.00.90 covers these robust infrastructure pipes. Designed for vibration and weather resistance.
Cast Iron Exhaust Stack Pipe
Tall hollow cast iron pipe serving as exhaust stacks for industrial furnaces. Under HTS 7303.00.00.90 as other cast iron pipes for high-temperature emissions. Corrosion-resistant interior lining.
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.