Sub Headings of 2850
| 2850.00.05.00 | Of calcium |
| 2850.00.07.00 | Of titanium |
| 2850.00.10.00 | Of tungsten |
| 2850.00.20.00 | Of vanadium |
| 2850.00.50.00 | Other |
| 2850.00.05.00 | Of calcium |
| 2850.00.07.00 | Of titanium |
| 2850.00.10.00 | Of tungsten |
| 2850.00.20.00 | Of vanadium |
| 2850.00.50.00 | Other |