Cast Iron Vent Pipe 3-inch Schedule 40
Schedule 40 cast iron pipe in 3-inch size for building ventilation and stack systems in plumbing. It qualifies for HTS 7303.00.00 as a cast iron hollow profile engineered for non-pressurized air and gas venting.
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 ductile cast iron for pressure
Ductile iron tubes may fall under 7304 if specified for higher strength applications, distinct from gray cast iron.
If seamless steel equivalent
Other base metal hollow profiles like steel vents use 7306.30; material drives primary classification.
If as turbocharger housings
If shaped for machinery end-use like exhaust, reclassifies to 8414 per functional priority.
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
• Provide IPC/Uniform Plumbing Code compliance docs; US buyers often require certification labels
• Avoid mixing with plastic DWV pipes in same container to prevent cross-contamination claims
Related Products under HTS 7303.00.00
Cast Iron Storm Drain Pipe 10-inch Bell Spigot
10-inch bell-and-spigot joint cast iron pipe for stormwater management in urban drainage. HTS 7303.00.00 for jointed hollow cast iron profiles.
Industrial Cast Iron Process Pipe 6-inch
6-inch cast iron pipe for industrial process lines handling slurries and corrosives. Under HTS 7303.00.00 as robust hollow profiles for chemical and mining operations.
Cast Iron Condensate Drain Pipe 1.5-inch
1.5-inch cast iron pipe for HVAC condensate drainage from air handlers. As a small-diameter hollow profile of cast iron, it fits HTS 7303.00.00.
Cast Iron Soil Pipe 4-inch Diameter
A 4-inch diameter cast iron pipe used in plumbing systems for drainage, waste, and vent applications. It falls under HTS 7303.00.00 as it is a hollow profile made entirely of cast iron, designed for conveying sewage and wastewater in residential and commercial buildings.
Cast Iron Drain Pipe 6-inch Hubless
Hubless cast iron pipe measuring 6 inches in diameter, commonly used for stormwater drainage and sanitary sewer lines. Classified under HTS 7303.00.00 due to its cast iron construction and hollow profile seamless design for underground conveyance.
Cast Iron Radiator Supply Pipe 2-inch
2-inch cast iron pipe for hot water supply lines in steam or hydronic heating radiators. Under HTS 7303.00.00 for its cast iron hollow profile suited to low-pressure heating distribution.