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Article
Oxygen transfer phenomenon between slag and molten steel for production of IF steel
FeO-containing slag originated from the basic oxygen furnace to the ladle is a major reoxidation source during the following secondary refining. Ladle slag reduction treatment (slag treatment) is one of the co...
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Article
Optimization on bottom blowing system of a 210 t converter
Bottom blowing has a significant influence on the stirring of molten steel in a combined blown converter. The effects of flow rate and configuration of bottom blowing tuyeres on the flow of molten steel inside...
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Article
Characteristics and evolution of inclusion induced surface defects of cold rolled IF sheet
Cold rolled IF sheet has a high requirement for surface quality. Nowadays, more than half of surface defects in cold rolled sheet are caused by non-metallic inclusions generated in steelmaking and casting proc...
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Article
Characteristics and metallurgical effects of medium basicity refining slag on low melting temperature inclusions
Recently, large sized CaO-Al2O3 inclusions with low melting temperature have been the main reason for lowering mechanical properties of high strength low alloy (HSLA) steel plates. New philosophy, i. e. refining ...
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Article
Desulfurization ability of refining slag with medium basicity
The desulfurization ability of refining slag with relative lower basicity (B) and Al2O3 content (B = 3.5–5.0; 20wt%–25wt% Al2O3) was studied. Firstly, the component activities and sulfide capacity (C ...
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Article
Cleanliness of Alloying Structural Steel
Alloying structural steel used for mechanical structures has a high requirement for cleanliness because its failures are greatly affected by non-metallic inclusions and total oxygen content in steel. It has be...
