Korba Coal
High-volume Korba coalfield steam coal — G10 to G14 — the workhorse grades for captive power, paper and process heat.
GradesG10 – G14
GCV kcal/kg3101 – 4600
Ash %34 – 49
Moisture %8 – 16
Korba in Chhattisgarh is the country's highest-volume non-coking coalfield. The G10 to G14 band is what most Indian industrial boilers, paper mills and captive plants actually burn, day after day. Ash is higher than imported coal; the heat is priced and fired on a GCV grade the plant already understands.
Korba Coal — typical bands
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| Grade | GCV band | Total moisture | Ash | Volatile matter | Fixed carbon | Sulphur | Usual sizes | Enquire |
|---|---|---|---|---|---|---|---|---|
| kcal/kg | % | % | % | % | % | |||
| SECL G10 | 4301–4600 | 8–12 | 34–41 | 20–25 | 24–32 | 0.4–0.7 | ROM · Steam · Slack | Quote |
| SECL G11 | 4001–4300 | 8–13 | 36–43 | 20–25 | 22–30 | 0.5–0.8 | ROM · Steam · Slack | Quote |
| SECL G12 | 3701–4000 | 8–14 | 38–45 | 19–24 | 20–28 | 0.5–0.8 | ROM · Steam · Slack | Quote |
| SECL G13 | 3401–3700 | 9–15 | 40–47 | 18–24 | 18–26 | 0.5–0.8 | ROM · Steam · Slack | Quote |
| SECL G14 | 3101–3400 | 9–16 | 42–49 | 18–23 | 16–24 | 0.5–0.9 | ROM · Steam · Slack | Quote |
GCV bands are Coal India's non-coking grade definitions, in kcal/kg. Moisture, ash, volatile matter, fixed carbon and sulphur are typical ranges for coal offered from this field, not a guaranteed loading analysis. The rake's sampling report confirms the consignment. Sizes are subject to availability.
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