Key facts
- HS subheading
- 7307.91
- National lines
- 6
- Tariff
- United States
- Chapter
- 73: Articles of iron or steel
Summary
The United States tariff splits HS 7307.91 (other: Flanges) into 6 national lines: 7307.91.10.00 (of iron or nonalloy steel), 7307.91.30.00 (of alloy steel (except stainless steel)), 7307.91.50.10 (of iron or nonalloy steel), 7307.91.50.30 (of alloy steel (except stainless steel)) and 2 others. The general (MFN) duty differs by line: 3.3% on 7307.91.10.00, 3.2% on 7307.91.30.00, 5.5% on 7307.91.50.10, 5.5% on 7307.91.50.30, 5.5% on 7307.91.50.50 and 5.5% on 7307.91.50.70.
United States lines under 7307.91
The United States tariff splits HS 7307.91 (other: Flanges) into 6 national lines: 7307.91.10.00 (of iron or nonalloy steel), 7307.91.30.00 (of alloy steel (except stainless steel)), 7307.91.50.10 (of iron or nonalloy steel), 7307.91.50.30 (of alloy steel (except stainless steel)) and 2 others.
The general (MFN) duty differs by line: 3.3% on 7307.91.10.00, 3.2% on 7307.91.30.00, 5.5% on 7307.91.50.10, 5.5% on 7307.91.50.30, 5.5% on 7307.91.50.50 and 5.5% on 7307.91.50.70.
- 7307.91.10.00Of iron or nonalloy steelDuty: 3.3%
- 7307.91.30.00Of alloy steel (except stainless steel)Duty: 3.2%
- 7307.91.50.10Of iron or nonalloy steelDuty: 5.5%
- 7307.91.50.30Of alloy steel (except stainless steel)Duty: 5.5%
- 7307.91.50.50Of iron or nonalloy steelDuty: 5.5%
- 7307.91.50.70Of alloy steel (except stainless steel)Duty: 5.5%
In other countries
No other national tariff on border.bot has live lines under 7307.91 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 7307.91?
The United States tariff splits HS 7307.91 (other: Flanges) into 6 national lines: 7307.91.10.00 (of iron or nonalloy steel), 7307.91.30.00 (of alloy steel (except stainless steel)), 7307.91.50.10 (of iron or nonalloy steel), 7307.91.50.30 (of alloy steel (except stainless steel)) and 2 others.
What is the duty on HS 7307.91 in the United States?
The general (MFN) duty differs by line: 3.3% on 7307.91.10.00, 3.2% on 7307.91.30.00, 5.5% on 7307.91.50.10, 5.5% on 7307.91.50.30, 5.5% on 7307.91.50.50 and 5.5% on 7307.91.50.70.
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: