Sub Headings of 7403
| 7403.11.00.00 | Cathodes and sections of cathodes |
| 7403.12.00.00 | Wire bars |
| 7403.13.00.00 | Billets |
| 7403.19.00.00 | Other |
| 7403.21.00.00 | Copper-zinc base alloys (brass) |
| 7403.22.00.00 | Copper-tin base alloys(bronze) |
| 7403.29.01. | Other copper alloys |
