From Chapter 28: Chapter 28
| HTS Code | Description | General Duty |
|---|---|---|
| 2849100000 | Carbides, whether or not chemically defined Of calcium | 1.8% |
| 2849201000 | Of silicon Crude | Free |
| 2849202000 | Of silicon In grains, or ground, pulverized or refined | 0.5% |
| 2849901000 | Other Of boron | 3.7% |
| 2849902000 | Other Of chromium | 4.2% |
| 2849903000 | Other Of tungsten | 5.5% |
| 2849905000 | Other Other | 3.7% |