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Ferro-Carbon Ball For Bof

The ferro-carbon balls shall be added into converter after the loading of scrap and before starting to blow. The total amount added in bunches shall not be less than 15kg/ton, 2-3kg/ton each time according to the temperature and slag melting situation.
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Compositions

 

Fe(%)

C(%)

SiO2(%)

S(%)

P(%)

≥40

≥25

≤10

≤0.4

≤0.1

Or as requested.

 

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Usage

 

  1. 1. The loading of molten iron and scrap shall be controlled as normal.
  2. 2. The ferro-carbon balls shall be added to the converter after the loading of scrap and before starting to blow. The total amount added in bunches shall not be less than 15kg/ton, 2-3kg/to each time according to the temperature and slag melting situation.
  3. 3. Other bulk materials are recommended to be added as normal.
  4. 4. During the experiment, it is recommended to track the actual performance and conduct data statistics. The loading time and amount of ferro-carbon balls can be optimized according to the actual condition of the converter.

 

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Advantages

 

  1. 1. The end-point temperature of BOF can be increased by about 1.4 degrees by adding 1kg/ton of ferro-carbon balls.
  2. 2. The consumption of steel material can be reduced by about 1.2kg/ton by adding 1kg/ton of ferro-carbon balls.
  3. 3. The low content of trace elements in ferro-carbon balls contributes to the production of clean steel.

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