Iron Ore Pellets
| Chemical Composition (on dry basis) | Limits |
|---|---|
| A. Chemical Properties | |
| Fe | 64% Rejection less than 63% |
| SiO2 + Al2O3 | 7% max (SiO2 4% max, Al2O3, 2 & 3% max grades) |
| S | 0.015% (+0.010%) |
| P | 0.05% (+0.02%) |
| B. Physical Properties | |
| Size: 5-18 mm | Sizing -5 mm : 5% max, +18mm : 5% max |
| Bulk Density | 2.20T/ M3(+0.10) Min. |
| Tumble Index (ASTM) + 6.35 MM | 92% (+ 2%) |
| Abrasion Index (ASTM) - 0.60 MM | 5% max |
| Cold Crushing Strength Average | 240 KG/P (Rej below 230 KG/P) |
| Porosity | 19 + 1% |
| Moisture Content | 3-5% max |
Chrome Ore
| Parameters | Grade 1 | Grade 2 | Grade 3 | Grade 4 | |
|---|---|---|---|---|---|
| Cr2O3 | RANGE | 22-24% | 24-26% | 30-32% | 32-34% |
| BASIS | 24% | 26% | 32% | 34% | |
| Rejection | Below | 22.00% | 24.00% | 30.00% | 32.00% |
| SiO2 | MAX | 15.00% | 15.00% | 15.00% | 15.00% |
| P | MAX | 0.05% | 0.05% | 0.05% | 0.05% |
| S | MAX | 0.05% | 0.05% | 0.05% | 0.05% |
| Al2O3 | MAX | 17.00% | 17.00% | 20.00% | 20.00% |
| MgO | MAX | 28.00% | 28.00% | 26.00% | 26.00% |
| Cr:Fe Ratio | MIN | 1.5:1 | 1.6:1 | 2.0:1 | 2.2:1 |
| PHYSICAL SIZE | MIN | 10-300 MM 85% | |||