Release time: 2018-06-21 16:05:55 Page viewed: 156
The original function of tundish covering agent is insulation, prevent the excessive temperature drop during the pouring process. But with the higher requirement of the steel quality. The metallurgy function of the tundish covering agent become widespread.
The function of the tundish covering agent
(1)heat insulation to prevent the heat loss
(2)Absorption of the floating inclusions( Like Al2O3, Calcium aluminates)
(3)Isolate the air, prevent the oxygen enter into the molten steel, and eliminate the re-oxidation.
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chemical index（%）
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physical index（%）
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SiO2
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CaO
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Al2O3
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MgO
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C
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Melt Temp (℃)
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Particle size (mm)
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Moisture (%)
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20±5
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30±5
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10±5
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≤5
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5±2
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1350±50
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0.1-2.0
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＜0.5
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REMARKS:
The above mentioned technical index for reference only Production per client’s steelmaking status---steel type, molten steel teeming time, C content ,acid or alkalinity etc |
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