Specifications

The gradation of non-coking coal is based on Useful Heat Value (UHV), the gradation of coking coal is based on ash content and for semi coking / weakly coking coal it is based on ash plus moisture content , as in vogue as per notification.
Grades of Coking Coal
Grade Ash Content
Steel Grade –I Not exceeding 15%
Steel Grade -II Exceeding 15% but not exceeding 18%
Washery  Grade -I Exceeding 18% but not exceeding 21%
Washery  Grade -II Exceeding 21% but not exceeding 24%
Washery  Grade -III Exceeding 24% but not exceeding 28%
Washery  Grade -IV Exceeding 28% but not exceeding 35%
Grades of Non-Coking Coal
Grade Useful Heat Value (UHV)
(Kcal/Kg)
UHV= 8900-138(A+M)
Corresponding Ash% +
Moisture % at
(60% RH & 40O C)
Gross Calorific Value
GCV (Kcal/ Kg)
(at 5% moisture level)
A Exceeding  6200 Not  exceeding 19.5 Exceeding 6454
B Exceeding 5600 but
not exceeding  6200
19.6 to 23.8 Exceeding 6049 but
not exceeding 6454
C Exceeding 4940 but
not exceeding 5600
23.9 to 28.6 Exceeding 5597 but
not exceeding 6049
D Exceeding 4200 but
not exceeding 4940
28.7 to 34.0 Exceeding 5089 but
not Exceeding 5597
E Exceeding 3360 but
not exceeding 4200
34.1 to 40.0 Exceeding 4324 but
not exceeding 5089
F Exceeding 2400 but
not exceeding 3360
40.1 to 47.0 Exceeding 3865 but
not exceeding. 4324
G Exceeding 1300 but
not exceeding 2400
47.1 to 55.0 Exceeding 3113 but
not exceeding 3865
Grades of Semi-coking and Weakly Coking Coal
Grade Ash + Moisture Content
Semi coking grade –I Not exceeding 19%
Semi coking grade –II Exceeding 19% but not exceeding 24%
Grades of Semi-coking and Weakly Coking Coal
Grades UHV (Kcal/Kg) Corresponding Ash% + Moisture %age
A 6200-6299 18.85 – 19.57
B 5600 – 6199 19.58 – 23.91
Our Video
Latest News
CIL Swith Over to GCV Base Pricing at the behest of the coal ministry w.e.f. Jan 2012
Spot Coking Coal Prices flat in Jan 2012
Thermal Coal Import prices ease marginally
India's Coal Production growth to remain flat in Next 2-3 Years
Mahanadi Coalfields Ltd (MCL) to foray into power sector
Cement Makers may pass in Impact of GCV
** All the above news are from Coal Insights (Jan2012)
Cotact Person
Mr. Ajay Goel
09811684456
ajay@prabhatgroup.in

Mr. Vijay Goel
09999998091
vijay@prabhatgroup.in