How Much Recarburizer To Add To One Ton Of Molten Iron
Jul 29, 2024
How much recarburizer to add to one ton of molten iron
40% to 60%
How much recarburizer to add to one ton of molten iron depends on many factors, including charge composition, carbon content of recarburizer, absorption rate, and brand and wall thickness of castings. It is impossible to give a specific amount when all conditions are unknown. Generally speaking, the amount of recarburizer is between 40% and 60%.
Factors affecting the amount of recarburizer include:
Charge composition: The carbon content and composition in the charge will affect the absorption rate and amount of recarburizer.
Carburizer carbon content: Different recarburizers have different carbon contents. The carbon content of recarburizers on the market ranges from 80% to 99%, which will affect the amount added.
Absorption rate: The absorption rate of recarburizer will also affect the amount. The amount of recarburizer with high absorption rate is relatively small.
Garde and wall thickness of castings: Castings of different grades and wall thicknesses have different requirements for carbon content, which affects the amount of recarburizer.
The specific dosage can refer to the following:
Coke powder: Coke powder is one of the most commonly used carburizers, but it has high ash content and high sulfur content. The addition of coke powder will cause the temperature of molten steel to drop, so it is necessary to pay attention to controlling the temperature of molten steel.
Low nitrogen carburizer: When smelting synthetic cast iron, if the nitrogen content in the molten iron is high, low nitrogen carburizer should be used to avoid nitrogen pores in the casting.
