HS Heading 7403 : Refined copper and copper alloys, unwrought (other than master alloys of heading 7405)
HS Heading 7403 encompasses refined copper and copper alloys, unwrought (other than master alloys of heading 7405). It classifies 7 6-digit WCO subheadings within Chapter 74 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 7403
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 7403.11 | Refined copper, Cathodes and sections of cathodes | 74 | View 7403.11 Package → |
| 7403.12 | Refined copper, Wire bars | 74 | View 7403.12 Package → |
| 7403.13 | Refined copper, Billets | 74 | View 7403.13 Package → |
| 7403.19 | Refined copper, Other | 74 | View 7403.19 Package → |
| 7403.21 | Copper alloys, Copper-zinc base alloys (brass) | 74 | View 7403.21 Package → |
| 7403.22 | Copper alloys, Copper-tin base alloys (bronze) | 74 | View 7403.22 Package → |
| 7403.29 | Copper alloys, Other copper alloys | 74 | View 7403.29 Package → |
How to Select the Correct Subheading Under Heading 7403
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 7403 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 7403 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.