# United States tariff lines under HS 7409.21

> The United States tariff splits HS 7409.21 (copper plates, sheets and strip, of a thickness exceeding 0.15 mm, of copper-zinc base alloys (brass): In coils) into 4 national lines: 7409.21.00.10 (of a thickness of 5 mm or more), 7409.21.00.50 (of a width of 500 mm or more), 7409.21.00.75 (of a thickness less than 1.6 mm) and 7409.21.00.90 (other). The general (MFN) duty is 1.9% on all 4 lines.

Source: https://border.bot/countries/united-states/hs-codes/740921
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 74](https://border.bot/countries/united-states/hs-codes/74) / [7409.21](https://border.bot/countries/united-states/hs-codes/740921)

## Key facts

- HS subheading: [7409.21](https://border.bot/hs-codes/740921)
- Duty (MFN): 1.9%
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 74: Copper and articles thereof

## United States lines under 7409.21

The United States tariff splits HS 7409.21 (copper plates, sheets and strip, of a thickness exceeding 0.15 mm, of copper-zinc base alloys (brass): In coils) into 4 national lines: 7409.21.00.10 (of a thickness of 5 mm or more), 7409.21.00.50 (of a width of 500 mm or more), 7409.21.00.75 (of a thickness less than 1.6 mm) and 7409.21.00.90 (other).

The general (MFN) duty is 1.9% on all 4 lines.

- [7409.21.00.10](https://border.bot/countries/united-states/hs-codes/7409210010) Of copper-zinc base alloys (brass), In coils, Of a thickness of 5 mm or more. Duty (MFN): 1.9%
- [7409.21.00.50](https://border.bot/countries/united-states/hs-codes/7409210050) Of copper-zinc base alloys (brass), In coils, Of a thickness of less than 5 mm, Of a width of 500 mm or more. Duty (MFN): 1.9%
- [7409.21.00.75](https://border.bot/countries/united-states/hs-codes/7409210075) Of copper-zinc base alloys (brass), In coils, Of a thickness of less than 5 mm, Of a width of less than 500 mm, Of a thickness less than 1.6 mm. Duty (MFN): 1.9%
- [7409.21.00.90](https://border.bot/countries/united-states/hs-codes/7409210090) Of copper-zinc base alloys (brass), In coils, Of a thickness of less than 5 mm, Of a width of less than 500 mm, Other. Duty (MFN): 1.9%

## In other countries

No other national tariff on border.bot has live lines under 7409.21 yet.

- [The Harmonized System text for 7409.21](https://border.bot/hs-codes/740921)

- Previous subheading: [7409.19](https://border.bot/countries/united-states/hs-codes/740919) Other
- Next subheading: [7409.29](https://border.bot/countries/united-states/hs-codes/740929) Copper plates, sheets and strip, of a thickness exceeding 0.15 mm

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7409.21?

The United States tariff splits HS 7409.21 (copper plates, sheets and strip, of a thickness exceeding 0.15 mm, of copper-zinc base alloys (brass): In coils) into 4 national lines: 7409.21.00.10 (of a thickness of 5 mm or more), 7409.21.00.50 (of a width of 500 mm or more), 7409.21.00.75 (of a thickness less than 1.6 mm) and 7409.21.00.90 (other).

### What is the duty on HS 7409.21 in the United States?

The general (MFN) duty is 1.9% on all 4 lines.

## 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:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/740921.json