| 2603.00.00 | 50 | Gold content | Au g |  |  |  | 
| 2604.00.00 |  | Nickel ores and concentrates |  | Free |  | Free | 
| 2604.00.00 | 40 | Nickel content | Ni kg |  |  |  | 
| 2604.00.00 | 80 | Other metal content | kg |  |  |  | 
| 2605.00.00 | 00 | Cobalt ores and concentrates | kg Co kg | Free |  | Free | 
| 2606.00.00 |  | Aluminum ores and concentrates |  | Free |  | $1/t | 
| 2607.00.00 |  | Lead ores and concentrates |  | 1.1¢/kg on lead   content | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 8.8¢/kg on copper content +  3.3¢/kg on lead content +  3.7¢/kg on zinc content | 
| 2607.00.00 | 10 | Copper content | Cu kg |  |  |  | 
| 2607.00.00 | 20 | Lead content | Pb kg |  |  |  | 
| 2607.00.00 | 30 | Zinc content | Zn kg |  |  |  | 
| 2607.00.00 | 40 | Silver content | Ag g |  |  |  | 
| 2607.00.00 | 50 | Gold content | Au g |  |  |  | 
| 2608.00.00 |  | Zinc ores and concentrates |  | Free |  | 8.8¢/kg on copper content +  3.3¢/kg on lead content +  3.7¢/kg on zinc content | 
| 2608.00.00 | 10 | Copper content | Cu kg |  |  |  | 
| 2608.00.00 | 20 | Lead content | Pb kg |  |  |  | 
| 2608.00.00 | 30 | Zinc content | Zn kg |  |  |  | 
| 2608.00.00 | 40 | Silver content | Ag g |  |  |  | 
| 2608.00.00 | 50 | Gold content | Au g |  |  |  | 
| 2609.00.00 | 00 | Tin ores and concentrates | t Sn t | Free |  | Free | 
| 2610.00.00 |  | Chromium ores and concentrates |  | Free |  | Free | 
| 2611.00.30 | 00 | Ores | kg W kg | Free |  | $1.10/kg on tungsten content | 
| 2611.00.60 | 00 | Concentrates | kg W kg | 37.5¢/kg on tungsten content | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | $1.10/kg on tungsten content | 
| 2612.10.00 | 00 | Uranium ores and concentrates | kg | Free |  | Free | 
| 2612.20.00 | 00 | Thorium ores and concentrates | t | Free |  | Free | 
| 2615.10.00 | 00 | Zirconium ores and concentrates | kg | Free |  | Free |