# HTS 7403: Refined copper and copper alloys, unwrought (other than master alloys of heading 7405):

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free

## Classification path

- **Section XV:** [Base Metals and Articles of Base Metal](https://plaintariff.com/section/xv-base-metals-and-articles-of-base-metal)
- **Chapter 74:** [Copper and articles thereof](https://plaintariff.com/chapter/chapter-74-copper-and-articles-thereof)
- **HTS code:** 7403

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- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
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- [Methodology & sources](https://plaintariff.com/methodology)

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/7403-refined-copper-and-copper-alloys-unwrought-other-than-mast*