Parameter Low Calorific Mid-Calorific Upper-Middle Calorific High Calorific
KCal / kg 5,500-5,300 5,800-5,600 6,300-6,100 6,700-6,500 7000
Total Moisture (%) 28-30 15-20 10-12 7-10 10-12
Inherent Moisture (%) 10-12 10-12 6-8 3-4 5-7
Ash Content (%) 1-3 5-12 8-10 14-16 6-8
Volatile Matter (%) 37-43 37-43 38-40 34-50 45approx
Fixed Carbon (%) 36-38 40-43 37-49 24-26 By deference
Total Sulphur (%) 0.1-0.3 0.8-1.0 0.6-0.9 1.0-1.2 1
HGI (%) 40-55 37-43 39-44 55-65 45
Fractions, (mm) 25-50 Less than 50 Less than 50 Less than 50     0-50,  50% approx+50,   50% approx
Application Thermal/Steam coal is a coal grade between bituminous coal and anthracite coal, and was once widely used as a fuel for steam locomotives. It has a large variety of usage ranges from electricity generation to cement production to chemical synthesis. It can be converted to liquid oil or gas for energy use.