Low-caking
Quality Ccharacteristics for low-caking coal, grade SS
Grade SS coals are characterized by volatile content of 20% to 32%. Common uniting feature for them is low-coking or complete lack of it. Moisture of freshly mined coal grade SS reaches 8-9%. Ash content ranges from 8 to 25%. The sulfur content is typically less than 0.8%. The carbon content ranges from 74 to 90%. Coal grade SS is mainly used by large power plants and in domestic household.
We recommend that you use low-caking coal in iron and cast iron boilers or in stone bread oven by natural and poor draught.
We offer to supply the following sorted coals, grade SS:
SSPK- low-caking coal, large plate;
SSO- low-caking coal, nut;
SSOM- low-caking coal, little nut;
SSSSh- low-caking coal, kernel, burgy.
Characteristics: |
SSPK |
SSO |
SSOM |
SSSSh |
Heat of combustion, kcal / kg |
6500 ... 6800 |
6800 ... 7000 |
6600 ... 6800 |
6300 ... 6600 |
Size fraction, mm * |
50 ... 200 |
25 ... 50 (60) |
13 ... 50 |
0 ... 20 |
Moisture, % |
5 ... 9 |
5 ... 9 |
5 ... 9 |
9 ... 12 |
Ash content, % |
12 ... 18 |
6 ... 11 |
6 ... 11 |
6 ... 11 |
Sulfur, % |
0,2 ... 0,5 |
0,2 ... 0,5 |
0,2 ... 0,5 |
0,2 ... 0,5 |
Volatile, % |
18 ... 24 |
18 ... 24 |
18 ... 24 |
18 ... 24 |
Field deposit |
Kuzbass |
Kuzbass |
Kuzbass |
Kuzbass |
* in proposed grades of coal may occur rock (to 2%) and fraction less than stated (to 20%) |