GB/T 13242-1991
Iron ores--Low-temperature disintegration test--Method using cold tumbling after static reduction (English Version)
- Standard No.
- GB/T 13242-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2018-07
- Replace By
- GB/T 13242-2017
- Latest
- GB/T 13242-2017
- Scope
- This standard specifies the basic principles, test conditions, test equipment, sample preparation, test procedures and test results of iron ore (including natural iron ore, sinter and pellets, hereinafter referred to as iron ore) low-temperature pulverization test assessment etc. The characteristics of the specified test method are: in a fixed bed, after isothermal reduction with the mixed gas of CO, CO2 and N2, the pulverization test is carried out with a drum at room temperature; The sample has a certain particle size range. This method is applicable to the determination of the reduction pulverization performance of iron ore expressed by reduction pulverization index.
GB/T 13242-1991 history
- 2017 GB/T 13242-2017 Iron ores—Low-temperature disintegration test—Method using cold tumbling after static reduction
- 1991 GB/T 13242-1991 Iron ores--Low-temperature disintegration test--Method using cold tumbling after static reduction
