Coking Coal Grade K



Parameters Values (guaranteed) Values average
Ash content % dry basis 9.0 max 8.5
Volatile matter % dry basis 27.5 max27.3
Moisture % ( as received) 9.0 max 8.8
Sulphur content % dry basis 0.9 max 0.79
Phosphorus% dry basis 0.01 max 0.005
Size, mm 0 -100 (+50 max 5%) 0 -100 (+50 max 5%)
INDICATIVE PROPERTIES
Gray King Coke type (GK) G6- G8  
Free swelling Index (FSI) 6 1/2 - 7 1/2  
Maximum dilatation, B Min 50%  
     
  Quality Management Systems ISO 9001-2008