Metallurgical Coal
Is a special type of coal used to make metallurgical coke.
There are two types of metallurgical coal used to make coke: hard coking coal and semisoft coking coal.
According to Grande Cache Coal, these types of coal are ideal for coke because they melt, swell and re-solidify when placed into a superheated furnace. These types of coal also have have low levels of impurities.
|
Low Vol HCC |
SSCC |
SCC |
HCC |
HCC |
|
|
TM % |
< 10 |
< 10 |
< 10 |
< 10 |
< 10 |
|
A % db |
9,80 |
8,40 |
8,70 |
9,30 |
8,60 |
|
V % db |
21,70 |
35,00 |
33,70 |
28,90 |
32,00 |
|
S % db |
0,32 |
0,43 |
0,79 |
0,58 |
0,63 |
|
P % db |
0,01 |
0,04 |
0,05 |
0,00 |
0,05 |
|
TD |
140,00 |
|
50,00 |
45,00 |
240,00 |
|
DDPM |
8.100 |
4 |
15.000 |
2.800 |
>50000 |
|
AFT |
0 |
1.400 |
1.220 |
1.270 |
1.195 |
|
MMR Ro Max |
1,40 |
0,70 |
0,84 |
0,99 |
0,93 |
|
Vr % |
99,00 |
71,00 |
89,00 |
71,00 |
92,00 |
|
FSI |
9,00 |
3 1/2 |
8,00 |
7,50 |
9,00 |
|
CSR |
57,00 |
43,70 |
|
57,40 |
60,10 |
|
HGI |
115 |
52 |
70 |
72 |
81 |
|
NCV ar |
6.768 |
6.500 |
6.768 |
7.219 |
6.926 |