# United States tariff lines under HS 7408.21

> The United States tariff splits HS 7408.21 (copper wire, of copper alloys: Of copper-zinc base alloys (brass)) into 1 national line: 7408.21.00.00 (of copper-zinc base alloys (brass)). The general (MFN) duty is 3% on this line.

Source: https://border.bot/countries/united-states/hs-codes/740821
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) / [7408.21](https://border.bot/countries/united-states/hs-codes/740821)

## Key facts

- HS subheading: [7408.21](https://border.bot/hs-codes/740821)
- Duty (MFN): 3%
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 74: Copper and articles thereof

## United States lines under 7408.21

The United States tariff splits HS 7408.21 (copper wire, of copper alloys: Of copper-zinc base alloys (brass)) into 1 national line: 7408.21.00.00 (of copper-zinc base alloys (brass)).

The general (MFN) duty is 3% on this line.

- [7408.21.00.00](https://border.bot/countries/united-states/hs-codes/7408210000) Of copper alloys, Of copper-zinc base alloys (brass). Duty (MFN): 3%

## In other countries

No other national tariff on border.bot has live lines under 7408.21 yet.

- [The Harmonized System text for 7408.21](https://border.bot/hs-codes/740821)

- Previous subheading: [7408.19](https://border.bot/countries/united-states/hs-codes/740819) Copper wire
- Next subheading: [7408.22](https://border.bot/countries/united-states/hs-codes/740822) Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7408.21?

The United States tariff splits HS 7408.21 (copper wire, of copper alloys: Of copper-zinc base alloys (brass)) into 1 national line: 7408.21.00.00 (of copper-zinc base alloys (brass)).

### What is the duty on HS 7408.21 in the United States?

The general (MFN) duty is 3% on this line.

## 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/740821.json