Coal specification as  below for your reference, but pls don't be  astricted by these:

Steam Coal Item standard
 
Size, mm  0-50
Total moisture (as received), % 6-15
Ash (air dry), % 8-20
Volatiles (air dry), %max 15-38
Sulphur(as received), % 0.5-1
Hard Grove Index 45
Ash Softening Temp, >1300
Net Calorific Value (as received),kcal/kg 5500-6300
100000mt/month,China port

Coking Coal Item Unit GJ K9
   
 Total Moisture (ARB) % WT 9.5 7
 Volatile Matter (DB) % WT 36 18
 Fixed Carbon (DB)/ % WT by difference by difference
 Ash (DB) % WT 7.5 9.0
 Total Sulphur (DB) % WT 0.7  0.3
 Grindability/  65 95
 (Dry Basis)   
 Hydrogen % WT  
 Gross Calorific Value(DB) kcal/kg 7,900 7,940
 Gross Calorific Value(ARB) kcal/kg 7,200 7,400
 Net Calorific Value (ARB) kcal/kg 6,900 7,150
 Nitrogen % WT 2.3 0.7
Roga Index   60 60
Plastometer index "Y"  20 9
 Ash Fusion Temperature IDT  1,180 
()   
Coking & Caking Properties   
 FSI/ CNS 9 7.5
 Maximum Fluidity/ DDPM 13000~18000 9
 Mean Reflectance/ Ro 0.9 1.5
 Size Distribution   
  0 ~ 50mm % 100 100
40000mt/month, China port