GB/T 15224.3-2004
Classification for coal quality Part 3:Calorific value (English Version)
- Standard No.
- GB/T 15224.3-2004
- Language
- Chinese, Available in English version
- Release Date
- 2004
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2011-02
- Replace By
- GB/T 15224.3-2010
- Latest
- GB/T 15224.3-2022
- Scope
- This standard specifies the classification and naming of coal according to the range of high calorific value (Qgr,d) on a dry basis. This standard applies to the classification of coal calorific value in coal exploration, production, processing and utilization and coal sales.
GB/T 15224.3-2004 history
- 2022 GB/T 15224.3-2022 Classification for quality of coal—Part 3: Calorific value
- 2010 GB/T 15224.3-2010 Classification for quality of coal.Part 3:Calorific value
- 2004 GB/T 15224.3-2004 Classification for coal quality Part 3:Calorific value
- 1994 GB/T 15224.3-1994 Classification for quality of coal--Classification for calorific value of coal
