Petroleum coke carburizing agent how quickly to identify?
Upload Time:
2023-04-25
1. Ordinary calcined petroleum coke carburizing agent may have low calcination temperature and short time because it has not been calcined at high temperature. Nitrogen content is generally around 9000ppm, and sulfur content is also high. Can't draw clear marks on white paper;
2. high temperature calcined petroleum coke carburizing agent called half graphitized carburizing agent, nitrogen content in 300 ~ 500ppm, sulfur is much lower than the former. On white paper can leave clear marks;
3. good high temperature calcined petroleum coke carburizing agent, also known as low sulfur and low nitrogen carburizing agent, nitrogen content in 200ppm. Sulfur is lower than the former. You can leave a clear mark on the white paper.
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