YB/T 4403-2014
*Jumbo bag or ton bag
Items to be tested | Indicators to be achieved by test items |
Appearance | Grayblack particle, honeycomb pore, no visible sundries |
Granularity,0~2mm | >2mm:≤10% |
Fixed carbon content,% | ≥98 |
Ash content,% | ≤0.70 |
Volatile matter,% | ≤0.50 |
Moisture,% | ≤0.5 |
S,% | ≤0.30 |
It is mainly used to make steel and increase the carbon content in molten steel. It is also used in casting industry, especially sound field ball mill cast iron and gray cast iron. In addition, it can also be used to manufacture high temperature crucible, lubricant in mechanical industry, electrode and pencil lead, etc.