# HS code 7411.21: Copper tubes and pipes, of copper alloys, of copper-zinc base alloys (brass)

> HS code 7411.21 covers copper tubes and pipes, of copper alloys, of copper-zinc base alloys (brass). It sits in heading 74.11 (copper tubes and pipes) in chapter 74 (copper and articles thereof). Other goods of heading 74.11 are classified under 7411.10 (of refined copper), 7411.22 (of copper alloys, of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7411.29 (of copper alloys, other). National tariff lines under 7411.21 are live on border.bot for the United States (2 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/741121
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 74](https://border.bot/hs-codes/74) / [74.11](https://border.bot/hs-codes/7411) / [7411.21](https://border.bot/hs-codes/741121)

## Key facts

- HS code: 7411.21
- Covers: Copper tubes and pipes, of copper alloys, of copper-zinc base alloys (brass)
- Heading: [74.11: Copper tubes and pipes](https://border.bot/hs-codes/7411)
- Chapter: [74: Copper and articles thereof](https://border.bot/hs-codes/74)
- Edition: HS2022
- Duty in the United States: [See its 2 lines](https://border.bot/countries/united-states/hs-codes/741121)

## What this code covers

HS code 7411.21 covers copper tubes and pipes, of copper alloys, of copper-zinc base alloys (brass).

The legal text of the subheading is “Of copper alloys: Of copper-zinc base alloys (brass)”, read under “Of copper alloys”, in HS2022.

## What it doesn’t cover

Other goods of heading 74.11 are classified under 7411.10 (of refined copper), 7411.22 (of copper alloys, of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7411.29 (of copper alloys, other).

- [7411.10](https://border.bot/hs-codes/741110) Of refined copper
- [7411.22](https://border.bot/hs-codes/741122) Of copper alloys: Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)
- [7411.29](https://border.bot/hs-codes/741129) Of copper alloys: Other

## How it is structured

7411.21 is a six-digit subheading. Its first two digits, 74, are the chapter; the first four, 7411, are heading 74.11; the last two, 21, 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 74.11: Copper tubes and pipes
- Within the heading: Of copper alloys
- Subheading 7411.21: Of copper-zinc base alloys (brass)

## In other countries

National tariff lines under 7411.21 are live on border.bot for the United States (2 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/741121): 2 lines, used by 1 other country

## Related codes

The same text, “Of copper alloys: Of copper-zinc base alloys (brass)”, also divides 2 other headings in chapter 74: 7407.21 under heading 74.07 and 7408.21 under heading 74.08.

- [7407.21](https://border.bot/hs-codes/740721) Heading 74.07: Copper bars, rods and profiles
- [7408.21](https://border.bot/hs-codes/740821) Heading 74.08: Copper wire

- Previous subheading: [7411.10](https://border.bot/hs-codes/741110) Of refined copper
- Next subheading: [7411.22](https://border.bot/hs-codes/741122) Of copper alloys: Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)

## Frequently asked questions

### What does HS code 7411.21 cover?

HS code 7411.21 covers copper tubes and pipes, of copper alloys, of copper-zinc base alloys (brass).

### Which heading and chapter is HS code 7411.21 in?

HS code 7411.21 is in heading 74.11 (copper tubes and pipes) in chapter 74 (copper and articles thereof).

### Where are goods of heading 74.11 classified when 7411.21 doesn’t fit?

Other goods of heading 74.11 are classified under 7411.10 (of refined copper), 7411.22 (of copper alloys, of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)) and 7411.29 (of copper alloys, other).

### Which countries’ tariffs list national lines under HS code 7411.21?

National tariff lines under 7411.21 are live on border.bot for the United States (2 lines, 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/741121.json