| Specification | Type 1 (Opal) | Type 2 (Gole-Gohar) | Type 3 (Sirjan) | Type 4 (Bafgh) |
| Chemical Composition | Fe: 65% Min
FeO: 0.8% Max P: 0.05% Max S: 0.05% Max SiO2: 3.5% Max Al2O3: 0.8% Max CaO: 1% Max MgO: 1.8% Max
CCS: 286 Avg A.I: 2.6% Max T.I: 96.2% Min Porosity: 25-27% |
Fe: 65% Min
FeO: 1% Max P: 0.05% Max S: 0.05% Max SiO2: 3.5% Max Al2O3: 0.7% Max CaO: 0.9% Max MgO: 2.5% Max
CCS: 250 Avg A.I: 4% Max T.I: 94% Min Porosity: 19-24% |
Fe: 65% Min
FeO: 1% Max P: 0.05% Max S: 0.08% Max SiO2: 4% Max Al2O3: 0.7% Max CaO: 0.7% Max MgO: 0.7% Max
CCS: 250 Avg A.I: 4% Max T.I: 95% Min Porosity: 19-24% |
Fe: 64-65% Avg
FeO: 0.9% Max P: 0.08% Max S: 0.05% Max SiO2: 3.5% Max Al2O3: 0.6% Max CaO: 1% Max MgO: 0.8% Max
CCS: 280 Avg A.I: 2% Max T.I: 96% Min Porosity: 21±1% |
| Size: | 8-16 mm (Min 95%) | 8-16 mm (Min 90%) | 8-16 mm (Min 90%) | 8-16 mm (Min 85%) |
