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Shanxi Coal is complete, the Chinese national standard coal classification (GB5751-86) of the 14 categories, types of categories available.
China's national standard coal classification (GB5751-86)
Class
|
Symbol |
Included digital |
Classification standard |
| Vdaf% |
GRL |
Y%MN |
PM% |
| Anthracite |
WY |
01，02，03
|
10
|
|
|
|
| Lean coal |
PM |
11 |
>10.0-20.0 |
≤5 |
|
|
| Meager lean coal |
PS |
12 |
>10.0-20.0 |
5-20 |
|
|
| Meager coal |
SM |
13，14 |
>10.0-20.0 |
>20-65 |
|
|
| Coking coal |
JM |
24，15，25 |
>20.0-28.0>10.0-20.0 |
>50-65>65 |
<25.0
|
|
| Fat coal |
FM |
16，26，36 |
>10.0-37.0 |
(>85) |
>25 |
|
| 1/3 coking coal |
1/3JM |
35 |
>28.0-37.0 |
>65 |
<25.0 |
|
| Gas-fat coal |
QF |
46 |
>37.0 |
(>85)
|
>25.0 |
|
| Gas coal |
QM |
34，43，44，45 |
>28.0-37.0>37.0 |
>50-65 |
<25.0 |
|
| 1/2 medium caking coal |
1/2ZN |
23，33 |
>20.0-37.0 |
>35-65 |
|
|
| Weakly caking coal |
RN |
22，32 |
>20.0-37.0 |
>30-50 |
|
|
| Non-caking coal |
BN |
21，31 |
>20.0-37.0 |
>5-30 |
|
|
| Long flame coal |
CY |
41，42 |
≥37.0 |
<5 |
|
|
| Brown coal |
HM |
51 |
>37.0 |
<5-35 |
|
<30 |
| 52 |
>37.0 |
>30-50 |
|
