steam coal that we have with the highest calorie is : PROXIMATE ANALYSIS Gross Calorific Value ( adb) 6300 kcal/ kg Total Moisture ( ar) 20 % Inherent Moisture ( adb) 11 % Ash Content ( adb) 10 % Fixed Carbon ( adb) by difference Total Sulfur ( adb) 1 % Size 0-50 mm 80 % Hardgrove Grindability Index 49 we do have lower calorie also.