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.
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 made of steel instead of cast iron
Steel tubes and pipes for plumbing fall under heading 7307, as Chapter 73 distinguishes cast iron hollow profiles (7303) from steel ones.
If threaded and coupled for specific plumbing use
If featuring threaded ends and sold with fittings as a complete assembly, it shifts to 7307.92 for threaded iron/steel pipes.
If imported as parts of pumps or compressors
End-use as machinery components reclassifies under 8413.91, prioritizing function over material per GRI 1 and Section XVI notes.
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Import Tips & Compliance
• Verify cast iron composition via material certificates to avoid reclassification as steel pipes under Chapter 73 headings like 7306
• Ensure compliance with ASTM A888 standards for soil pipes; provide test reports for wall thickness and coating to prevent delays
Related Products under HTS 7303.00.00
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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
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Cast Iron Condensate Drain Pipe 1.5-inch
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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 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.
Cast Iron Radiator Supply Pipe 2-inch
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