GB/T 15224.1-2004 stipulates the mass classification standard for coal ash. It clarifies the scope of application of classification, elaborates the ash determination method and data processing, and divides coal into different grades according to ash content. The standard provides a unified mass evaluation standard for all parties involved in coal production, trade and use, which helps to accurately evaluate coal quality, meet the differentiated needs of different industries for coal masses, standardize the coal market, and promote the orderly and efficient development of the coal industry.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish | ||
|---|---|---|---|
| CCS | D20 | ICS | 73.040 |
| Release Date | 2004-04-30 00:00:00 | Implementation Date | 2004-10-01 00:00:00 |