| D grade coal, long-flame, steam | DR (long-flame, run-of-mine) (0-300 mm) | DMSSh (long-flame, small-size, pea, dust) (0-25 mm) | DO (long-flame, nut) (25-50 mm) | DPK (long-flame, lump, hard) (50-300 mm) |
| Working humidity, % (Wrt) | 10--15 | 10--15 | 8-13 | 8-13 |
| Ash content under dry condition, % (Ad) | 12 | 18 | 9 | 6 |
| Volatile agents content under dry ash-free condition, % (Vdaf) | 41-44 | 41-44 | 41-44 | 41-44 |
| Total sulphur weight percentage under dry condition, % (Sd) | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 |
| Heat output under working condition, kcal/kg NCV (ar) | 5100-5500 | 4800-5100 | 5400-5600 | 5500-5700 |
Coal characteristics
| T grade coal, lean, steam | TR (lean, run-of-mine) (0-300 mm) | TMSSh (lean, small-size, pea, dust) (0-25 mm) | TO (lean, nut) (25-50 mm) | TPK (lean, lump, hard) (50-300 mm) |
| Working humidity, % (Wrt) | 10-12 | 10-12 | 8-9 | 7-8 |
| Ash content under dry condition, % (Ad) | 15 | 18 | 10 | 8 |
| Volatile agents content under dry ash-free condition, % (Vdaf) | 15 | 15 | 15 | 15 |
| Total sulphur weight percentage under dry condition, % (Sd) | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 |
| Heat output under working condition, kcal/kg NCV (ar) | 6000 | 5900-6000 | 6350 | 6650 |
| SS grade coal, low-caking, steam | SSR (low-caking, run-of-mine) (0-300 mm) | SSMSSh (low-caking, small-size, pea, dust) (0-25 mm) | SSO (low-caking, nut) (25-50 mm) | SSPK (low-caking, lump, hard) (50-300 mm) |
| Working humidity, % (Wrt) | 10-12 | 10-12 | 9 | 7 |
| Ash content under dry condition, % (Ad) | 16 | 18 | 10 | 8 |
| Volatile agents content under dry ash-free condition, % (Vdaf) | 24 | 24 | 24 | 24 |
| Total sulphur weight percentage under dry condition, % (Sd) | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 | 0,3-0,5 |
| Heat output under working condition, kcal/kg NCV (ar) | 6000 | 5900-6000 | 6300 | 6700 |
| G grade coal, gas, steam | Gr (gas, run-of-mine) | GOMSSh (gas, nut, small-size, pea, dust) | GPK (gas, lump, hard) |
| Working humidity, % (Wrt) | 12 | 10 | 7 |
| Ash content under dry condition, % (Ad) | 15 | 11 | 7 |
| Volatile agents content under dry ash-free condition, % (Vdaf) | 40 | 40 | 40 |
| Total sulphur weight percentage under dry condition, % (Sd) | 0,6 | 0,6 | 0,6 |
| Heat output under working condition, kcal/kg NCV (ar) | 5700 | 6000 | 6600 |
| Crozzling coal | А, % | W, % | V daf, % | Y, мм | Ro |
| Coking low-caking, KS | 9,0 | 3 | 19 | 8 | 1,36 |
| Coking lean, KO | 5,5 | 3 | 22 | 10 | 1,2 |
| Lean-caking, OS | 8,0 | 3 | 18 | 10 | 1,4 |
| Fat, Zh | 9,0 | 9 | 35 | 30 | 0,92 |
Request for coal
All fields must be completed.