This part of GB/T 15224 stipulates the classification, naming and inspection method of coal according to the ash content range of drying base. It is suitable for the evaluation and classification of coal ash mass in the process of coal resource exploration and evaluation, production, processing and utilization.
| Status | Active |
|---|---|
| CCS | D20 | ICS | 73.040 |
| Release Date | 2018-05-14 00:00:00 | Implementation Date | 2018-09-01 00:00:00 |