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Production of pellets
Iron ore pellets are produced from iron ore concentrate and clay mix. The mix is pelletized and baked resulting in pellets containing 65 mass percent of iron. Pellets serve as raw material for pig iron production.
| Iron mass fraction in pellets, % | ≥ 64.6 percent |
| Commercial pellet particle size | 9-16 mm |
| Compression strength | ≥ 250 kg/pellet |
| Impact strength index > +6.3 mm | ≥ 95 mass percent |
| Attrition resistance index < -0.5 mm | ≤5 mass percent |
| Mass fraction of 5 mm particles | ≤3 percent |