Key facts
- HS subheading
- 7303.00
- Duty (MFN)
- Free
- National lines
- 3
- Tariff
- United States
- Chapter
- 73: Articles of iron or steel
Summary
The United States tariff splits HS 7303.00 (tubes, pipes and hollow profiles, of cast iron) into 3 national lines: 7303.00.00.30 (soil pipe), 7303.00.00.60 (pressure pipe with an inside diameter of less than 356 mm) and 7303.00.00.90 (other). Every United States line under 7303.00 is free of general (MFN) duty.
United States lines under 7303.00
The United States tariff splits HS 7303.00 (tubes, pipes and hollow profiles, of cast iron) into 3 national lines: 7303.00.00.30 (soil pipe), 7303.00.00.60 (pressure pipe with an inside diameter of less than 356 mm) and 7303.00.00.90 (other).
Every United States line under 7303.00 is free of general (MFN) duty.
- 7303.00.00.30Soil pipeDuty: Free
- 7303.00.00.60Pressure pipe with an inside diameter of less than 356 mmDuty: Free
- 7303.00.00.90OtherDuty: Free
In other countries
No other national tariff on border.bot has live lines under 7303.00 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 7303.00?
The United States tariff splits HS 7303.00 (tubes, pipes and hollow profiles, of cast iron) into 3 national lines: 7303.00.00.30 (soil pipe), 7303.00.00.60 (pressure pipe with an inside diameter of less than 356 mm) and 7303.00.00.90 (other).
What is the duty on HS 7303.00 in the United States?
Every United States line under 7303.00 is free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: