The following are several methods to reduce the carbon content of AH36 steel:

 

Decarburization Operation in the Basic Oxygen Furnace (BOF) Steel - making Process

 

Principle: During the basic oxygen furnace steel - making process, high - purity oxygen is blown into the molten pool, causing the carbon in the molten steel to react with oxygen to form carbon monoxide (, ). These gases escape from the molten steel, thus achieving the purpose of reducing the carbon content. Carbon monoxide is a gas that will be discharged from the surface of the molten steel in the high - temperature environment of the steel - making furnace.

 

Controlling Factors:
Oxygen flow rate is one of the key factors. An appropriate oxygen flow rate can ensure that the carbon is fully oxidized without causing problems such as molten steel splashing due to overly violent reactions. For example, if the oxygen flow rate is too high, it may lead to excessive oxidation of the molten steel, which will not only reduce the carbon content, but may also cause a large amount of other beneficial elements in the molten steel such as manganese and silicon to be oxidized, affecting the final performance of the steel.
The blowing time of oxygen also needs to be precisely controlled. If the blowing time of oxygen is too short, the reduction of carbon content will not meet the requirements; if it is too long, it may cause problems such as the temperature of the molten steel being too high and the excessive oxidation of the components of the molten steel. Generally speaking, the blowing time of oxygen is determined through empirical formulas and real - time monitoring according to the initial carbon content and the target carbon content of the molten steel.

 

Oxidation - stage Operation in the Electric Arc Furnace (EAF) Steel - making

 

Principle: During the oxidation stage of electric arc furnace steel - making, iron ore (the main component is ) or oxygen is added to the molten steel in the furnace to oxidize impurities in the molten steel, including carbon. Taking iron ore as an example, the reaction formula is . This process can effectively reduce the carbon content and can also remove harmful impurities such as phosphorus in the molten steel.

 

 

 

 

 

 

 

 

Thickness	1.5-100mm
Width	600mm to 1500mm
Length	1000mm to 6000mm
MOQ	50MT

 

 

 

 

 

 

 

 

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