Heating Values of Standard Grade Coal

Standard grades of coal and heating values

Heating values of standard grades of coal:

Coal Grade Heating Value
(Btu/lb) (kJ/kg)
Anthracite 12910 30080
Semi-Anthracite 13770 32084
Low-volatile bituminous 14340 33412
Medium-volatile bituminous 13840 32247
High-volatile bituminous A 13090 30499
High-volatile bituminous B 12130 28262
High-volatile bituminous C 10750 25047
Subbituminous B 9150 21319
Subbituminous C 8940 20830
Lignite 6900 16077

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