| 2611.00.30 | 00 | Ores | kg W kg | Free | | $1.10/kg on tungsten content |
| 2612 | | Uranium or thorium ores and concentrates: | | | | |
| 2612.10.00 | 00 | Uranium ores and concentrates | kg | Free | | Free |
| 2612.20.00 | 00 | Thorium ores and concentrates | t | Free | | Free |
| 2613 | | Molybdenum ores and concentrates: | | | | |
| 2614.00 | | Titanium ores and concentrates: | | | | |
| 2615 | | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: | | | | |
| 2615.10.00 | 00 | Zirconium ores and concentrates | kg | Free | | Free |
| 2615.90.60 | 30 | Niobium (columbium) ores and concentrates | kg | | | |
| 2615.90.60 | 60 | Tantalum ores and concentrates | kg | | | |
| 2615.90.60 | 90 | Vanadium ores and concentrates | kg V2O5 kg | | | |
| 2616 | | Precious metal ores and concentrates: | | | | |
| 2616.10.00 | | Silver ores and concentrates | | 0.8¢/kg on lead content | Free (A+,AU,BH, CA,CL,D,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 |
| 2617 | | Other ores and concentrates: | | | | |
| 2617.10.00 | 00 | Antimony ores and concentrates | kg Sb kg | Free | | Free |
| 2617.90.00 | 30 | Beryllium ores and concentrates | kg | | | |
| 2618.00.00 | 00 | Granulated slag (slag sand) from the manufacture or iron or steel | t | Free | | 10% |
| 2619.00 | | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel: | | | | |
| 2620 | | Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds: | | | | |
| 2620.60 | | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: | | | | |
| 2620.60.10 | 00 | Of a kind used only for the extraction of arsenic or the manufacture of its chemical compounds | kg | 5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 2620.91.00 | 00 | Containing antimony, beryllium, cadmium, chromium or their mixtures | kg | Free | | 30% |
| 2620.99.30 | 00 | Materials not provided for elsewhere in this heading containing by weight over 10 percent nickel | kg Ni kg | Free | | Free |
| 2620.99.50 | 00 | Slag containing by weight over 40 percent titanium, and which if containing over 2 percent by weight of copper, lead, or zinc is not to be treated for the recovery thereof | kg | Free | | Free |
| 2620.99.75 | | Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof | | Free | | Free |