Production of ferrochrome
Raw material for stainless and special steels
The only ore chromium is won from, and the feed for ferrochrome. It is graded on its chromium oxide content and on the ratio of chrome to iron, and the same mineral serves the refractory and foundry trades as sand.
Raw material for stainless and special steels
| Cr2O3 | FeO | SiO2 | MgO | Al2O3 |
|---|---|---|---|---|
| 38 – 55 % | 15 – 25 % | 3 – 10 % | 10 – 18 % | 10 – 25 % |