The essential raw material for the manufacture of steel is found in nature in the form of rocks, mixed with other elements. Through various industrial processes with high technology, iron ore is processed and then sold to the steel industry.
List of most popular tests performed:
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Tumble Strength (ISO 3271)
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Crushing Strength (ISO 4700)
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Swelling Index (ISO 4698)
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Size range Reducibility (ISO 4695)
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Relative Reducibility (ISO 7215)
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Reduction Disintegration (ISO 4695)
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Reduction Disintegration and metallization for DR feedstock (ISO 11257)
| No | Items | Criteria |
| 1 | Fe (Total) | 65+-0.2% |
| 2 | Sulphur (S) | 0.008% Max |
| 3 | Phosphorus (P) | 0.05% Max |
| 4 | Al2O3 | 1% Max |
| 5 | SiO2 | 4% Max |
| 6 | MgO | 1.7% Max |
| 7 | CaO | 0.7% Max |
| 8 | Tumbler Index (+6.3mm) | 95% Min |
| 9 | Abrasion Index (-0.5mm) |
3.5% Max |
| 10 | Cold Compression Strength (CCS) | 250-300Kg |
| 11 | Size (6.3-19mm) | 95% Min |