Metallurgical Coke
Typical Characteristics
| Type I | Type II | Type III | |||
| Parameters | Guarantee (%) | Rejection (%) | Guarantee (%) | Rejection (%) | Guarantee (%) |
| Total moisture (As received Basis) |
5% Max | n/a | 5% Max | n/a | n/a |
| Ash (Dry Basis) | 12.5% Max | Exceeding 13.5% | 11% Max | Exceeding 12.5% | 12.5% Max |
| Volatile Matter (Dry Basis) |
1.2% Max | Exceeding 1.4% | 1.2% Max | Exceeding 1.4% | 1.5% Max |
| Total Sulphur (Dry Basis) |
0.65% Max | Exceeding 0.75% | 0.65% Max | Exceeding 0.75% | 0.65% Max |
| Phosphorus (Dry Basis) |
0.035% Max | Exceeding 0.045% | 0.035% Max | Exceeding 0.045% | n/a |
| CSR | 64% Min | Below 62% | 66% Min | Below 64% | 64% Min |
| CRI | 27% Max | Exceeding 29% | 26% Max | Exceeding 28% | 26% Max |
| M40 | 84% Min | Below 82% | 86% Min | Below 84% | 84% Min |
| M10 | 8% Max | Exceeding 10% | 7% Max | Exceeding 9% | 8% Max |
| Size 30-90mm | 90% Min | 90%min | |||
| Undersize -30mm | 5% Max | Exceeding 8% | 5% Max | Exceeding 8% | |
| Oversize +90mm | 5% Max | Exceeding 8% | 5% Max | Exceeding 8% | |
Coke Nut, Breeze
Coke Nut specifications
| Parameters | Guarantee | Rejection |
| Total moisture (As received Basis) |
10% Max | n/a |
| Ash (DryBasis) | 13% Max | Above 14% |
| Volatile Matter (Dry Basis) |
2.0% Max | |
| Total Sulphur | 0.70% Max | Above 0.9% |
| Phosphorus | 0.035% Max | Exceeding 0.045% |
| Fixed Carbon | 85% Min | |
| CRI | 26% Min and 32% Max | |
| Size 5-20mm | 90% Min |
Breeze specifications
| Values | |
| Ash content, % max | 16 |
| Sulphur content, % max | 1 |
| Mass fraction of total moisture,% max | 20 |
| Lumps size, mm | 0/10 |
| Mass fraction of lumps sized over 10 mm,% max | 8 |
