HTSUS, United States
7303.00.00.30
Tubes, pipes and hollow profiles, of cast iron / Soil pipe
Classification path
- Tubes, pipes and hollow profiles, of cast iron
- Soil pipe
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- 33%
- Unit of quantity
- kg
Related lines in heading 7303
About heading 7303
Tubes, pipes and hollow profiles, of cast iron
Heading 7303 covers tubes, pipes and hollow profiles made of cast iron. It is split by use and size: soil pipe, pressure pipe with an inside diameter of less than 356 mm, and other. All listed lines carry a general (MFN) rate of Free.
Full guide to heading 7303Products in this heading
- Cast iron soil pipe for drain, waste and vent lines
- Cast iron pressure pipe with an inside diameter under 356 mm
- Cast iron sewage pipe
- Cast iron water pipe sections
- Cast iron hollow profiles
- Cast iron pipe for gravity drainage
- Cast iron pipe sections for underground service
Frequently asked questions
What is the HTS code for cast iron soil pipe?
Cast iron soil pipe is classified under 7303.00.00.30, with a general (MFN) rate of Free.
What is the duty on cast iron pressure pipe with an inside diameter of less than 356 mm?
It falls under 7303.00.00.60 and the general (MFN) rate is Free.
How do I classify cast iron pipe that is not soil pipe or pressure pipe under 356 mm?
Use 7303.00.00.90 for other cast iron tubes, pipes and hollow profiles; the general (MFN) rate is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.