United States tariff line 7304.31.30.00: Hollow bars
Last updated
Key facts
- Tariff line
- 7304.31.30.00
- Covers
- Other, of circular cross section, of iron or nonalloy steel, cold-drawn or cold-rolled (cold-reduced), hollow bars
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 7304.31
Summary
In the United States tariff, line 7304.31.30.00 covers other, of circular cross section, of iron or nonalloy steel, cold-drawn or cold-rolled (cold-reduced), hollow bars. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 7304.31 in heading 73.04 (chapter 73).
What this line covers
In the United States tariff, line 7304.31.30.00 covers other, of circular cross section, of iron or nonalloy steel, cold-drawn or cold-rolled (cold-reduced), hollow bars.
Its legal text is “Hollow bars”, read under “Other, of circular cross section, of iron or nonalloy steel” and “Cold-drawn or cold-rolled (cold-reduced)”.
How it is structured
It falls under HS subheading 7304.31 in heading 73.04 (chapter 73). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 73
- Articles of iron or steel
- Heading 73.04
- Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- Subheading 7304.31
- Other, of circular cross section, of iron or nonalloy steel
- Within the subheading
- Cold-drawn or cold-rolled (cold-reduced)
- Line 7304.31.30.00
- Hollow bars
Duty
Goods under this line enter free of general (MFN) duty.
Other lines under 7304.31
- 7304.31.60.10Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
- 7304.31.60.50Other
In other countries
No other national tariff on border.bot has live lines under 7304.31 yet.
Frequently asked questions
What does tariff line 7304.31.30.00 cover in the United States tariff?
In the United States tariff, line 7304.31.30.00 covers other, of circular cross section, of iron or nonalloy steel, cold-drawn or cold-rolled (cold-reduced), hollow bars.
What is the general (MFN) duty on 7304.31.30.00 in the United States?
Goods under this line enter 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: