WCL

GCV CHART

GRADING OF NON-COKING COAL
GradeGCV Bands (kcal/kg)
G1Exceeding 7000
G26701-7000
G36401-6700
G46101-6400
G55801-6100
G65501-5800
G75201-5500
G84901-5200
G94601-4900
G104301-4600
G114001-4300
G123701-4000
G133401-3700
G143101-3400
G152801-3100
G162501-2800
G172201-2500
GRADING OF COKING COAL
GradeAsh Content
Steel Gr. I< 15%
Steel Gr. II=15% and <18%
Washery Gr. I=18% and <21%
Washery Gr. II=21% and <24%
Washery Gr. III=24% and <28%
Washery Gr. IV=28% and <35%
Ungraded>35%