sccl

Grade Specification

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The Quality (Grade) of coal will be specified as follows

GCV Grades Gross Calorific Value per Kilo Calories
G1 Above 7000
G2 6701 to 7000
G3 6401 to 6700
G4 6101 to 6400
G5 5801 to 6100
G6 5501 to 5800
G7 5201 to 5500
G8 4901 to 5200
G9 4601 to 4900
G10 4301 to 4600
G11 4001 to 4300
G12 3701 to 4000
G13 3401 to 3700
G14 3101 to 3400
G15 2801 to 3100
G16 2501 to 2800
G17 2201 to 2500