# HS code 7403.12: Refined copper, wire-bars

> HS code 7403.12 covers refined copper, wire-bars. It sits in heading 74.03 (refined copper and copper alloys, unwrought) in chapter 74 (copper and articles thereof). Other goods of heading 74.03 are classified under 7403.11 (refined copper, cathodes and sections of cathodes), 7403.13 (refined copper, billets), 7403.19 (refined copper, other), 7403.21 (copper alloys, copper-zinc base alloys (brass)) or 2 others. National tariff lines under 7403.12 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/740312
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 74](https://border.bot/hs-codes/74) / [74.03](https://border.bot/hs-codes/7403) / [7403.12](https://border.bot/hs-codes/740312)

## Key facts

- HS code: 7403.12
- Covers: Refined copper, wire-bars
- Heading: [74.03: Refined copper and copper alloys, unwrought](https://border.bot/hs-codes/7403)
- Chapter: [74: Copper and articles thereof](https://border.bot/hs-codes/74)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/740312)

## What this code covers

HS code 7403.12 covers refined copper, wire-bars.

The legal text of the subheading is “Refined copper: Wire-bars”, read under “Refined copper”, in HS2022.

## What it doesn’t cover

Other goods of heading 74.03 are classified under 7403.11 (refined copper, cathodes and sections of cathodes), 7403.13 (refined copper, billets), 7403.19 (refined copper, other), 7403.21 (copper alloys, copper-zinc base alloys (brass)) or 2 others.

- [7403.11](https://border.bot/hs-codes/740311) Refined copper: Cathodes and sections of cathodes
- [7403.13](https://border.bot/hs-codes/740313) Refined copper: Billets
- [7403.19](https://border.bot/hs-codes/740319) Refined copper: Other
- [7403.21](https://border.bot/hs-codes/740321) Copper alloys: Copper-zinc base alloys (brass)
- [7403.22](https://border.bot/hs-codes/740322) Copper alloys: Copper-tin base alloys (bronze)
- [7403.29](https://border.bot/hs-codes/740329) Copper alloys: Other copper alloys (other than master alloys of heading 74.05)

## How it is structured

7403.12 is a six-digit subheading. Its first two digits, 74, are the chapter; the first four, 7403, are heading 74.03; the last two, 12, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 74: Copper and articles thereof
- Heading 74.03: Refined copper and copper alloys, unwrought
- Within the heading: Refined copper
- Subheading 7403.12: Wire-bars

## In other countries

National tariff lines under 7403.12 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/740312): 1 line, used by 1 other country

- Previous subheading: [7403.11](https://border.bot/hs-codes/740311) Refined copper: Cathodes and sections of cathodes
- Next subheading: [7403.13](https://border.bot/hs-codes/740313) Refined copper: Billets

## Frequently asked questions

### What does HS code 7403.12 cover?

HS code 7403.12 covers refined copper, wire-bars.

### Which heading and chapter is HS code 7403.12 in?

HS code 7403.12 is in heading 74.03 (refined copper and copper alloys, unwrought) in chapter 74 (copper and articles thereof).

### Where are goods of heading 74.03 classified when 7403.12 doesn’t fit?

Other goods of heading 74.03 are classified under 7403.11 (refined copper, cathodes and sections of cathodes), 7403.13 (refined copper, billets), 7403.19 (refined copper, other), 7403.21 (copper alloys, copper-zinc base alloys (brass)) or 2 others.

### Which countries’ tariffs list national lines under HS code 7403.12?

National tariff lines under 7403.12 are live on border.bot for the United States (1 line, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/740312.json