# United States tariff lines under HS 7403.29

> The United States tariff splits HS 7403.29 (copper alloys: Other copper alloys (other than master alloys of heading 74.05)) into 2 national lines: 7403.29.01.10 (copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7403.29.01.80 (other). The general (MFN) duty is 1% on all 2 lines.

Source: https://border.bot/countries/united-states/hs-codes/740329
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) / [7403.29](https://border.bot/countries/united-states/hs-codes/740329)

## Key facts

- HS subheading: [7403.29](https://border.bot/hs-codes/740329)
- Duty (MFN): 1%
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 74: Copper and articles thereof

## United States lines under 7403.29

The United States tariff splits HS 7403.29 (copper alloys: Other copper alloys (other than master alloys of heading 74.05)) into 2 national lines: 7403.29.01.10 (copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7403.29.01.80 (other).

The general (MFN) duty is 1% on all 2 lines.

- [7403.29.01.10](https://border.bot/countries/united-states/hs-codes/7403290110) Copper alloys, Other copper alloys, Copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver). Duty (MFN): 1%
- [7403.29.01.80](https://border.bot/countries/united-states/hs-codes/7403290180) Copper alloys, Other copper alloys, Other. Duty (MFN): 1%

## In other countries

No other national tariff on border.bot has live lines under 7403.29 yet.

- [The Harmonized System text for 7403.29](https://border.bot/hs-codes/740329)

- Previous subheading: [7403.22](https://border.bot/countries/united-states/hs-codes/740322) Refined copper and copper alloys, unwrought (other than master alloys of heading 7405)
- Next subheading: [7404.00](https://border.bot/countries/united-states/hs-codes/740400) Copper waste and scrap

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7403.29?

The United States tariff splits HS 7403.29 (copper alloys: Other copper alloys (other than master alloys of heading 74.05)) into 2 national lines: 7403.29.01.10 (copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7403.29.01.80 (other).

### What is the duty on HS 7403.29 in the United States?

The general (MFN) duty is 1% on all 2 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/740329.json