How are carburants classified according to their material? Let's take a look:

Carbon enhancers are divided according to the material, which can generally be divided into: metallurgical coke carburizing agents, calcined coal carburizing agents, petroleum coke carburizing agents, graphitized carburizing agents, etc.

1. The so-called metallurgical coke carburizing agent is the large coke usually used in the cupola furnace, and its role is in addition to melting, and it is to add carbon to the metal charge, and its indicators are no longer repeated.

2. Calcined coal carburizing agent, the composition is generally C: 90-93%, S0.3-0.5. Is mainly used in steelmaking enterprises, and some foundry enterprises are used for gray cast iron. The disadvantage is that the carbon content is low, the melting is slow, the electricity is wasted, and the residual amount is large.

3. Petroleum coke carburizing agent, used for casting is not very good, Shandong and Tianjin petroleum coke can be used to cast gray cast iron. The composition is generally C: 96-99%; S0.3-0.7%。 Mainly used in steelmaking, gray cast iron, brake pads, core wire and so on.

4. Graphitized carburizing agent, the main place of production is Shandong, Henan, etc., there are fewer manufacturers, the main material is graphitized petroleum coke and graphitized electrode. The general composition is carbon content> 98-99.5%; Sulfur < 0.05-0.03.Mainly used for ductile iron. It is characterized by fast absorption, high carbon and low sulfur.

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