Import duty / Chapter 74 / Heading 7403
Heading 7403 covers 7 tariff lines in LoadLoom's table; 7 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 7403.11 | Copper; refined, unwrought, cathodes and sections of cathodes | 1% | Free | Free with certificate |
| 7403.12 | Copper; refined, unwrought, wire-bars | 1% | Free | Free with certificate |
| 7403.13 | Copper; refined, unwrought, billets | 1% | Free | Free with certificate |
| 7403.19 | Copper; refined, unwrought, n.e.c. in item no. 7403.1 | 1% | Free | Free with certificate |
| 7403.21 | Copper; copper-zinc base alloys (brass) unwrought | 1% | Free | Free with certificate |
| 7403.22 | Copper; copper-tin base alloys (bronze) unwrought | 1% | Free | Free with certificate |
| 7403.29 | Copper; copper alloys n.e.c. in heading no. 7403 (other than master alloys of heading no. 7405) | 1% | Free | Free with certificate |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
