Industrial application of control technology of oxide inclusions in tyre cord steel
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摘要: 在簾線鋼冶煉過程中,通過采用爐后弱脫氧、防止鋼液污染,以及控制精煉頂渣堿度指數和Al2O3含量指數等措施,使鋼中夾雜物向低熔點區域轉變,促進鋼中夾雜物上浮、排出鋼液,同時也使鋼中殘留氧化物夾雜具有良好的變形性能.實踐表明,通過采用上述工藝措施,簾線鋼中夾雜物成分、尺寸和變形性得到了有效控制.Abstract: In steel making for tyre cord, weak deoxidation, prevention of reoxidation, and control of ba-sicity and Al2O3 content in refining slag were adopted to decrease the melting point of inclusions in liquid steel and promote floating upward of inclusions. It was proved that the composition, size and deformation ability of inclusions in tyre cord were promoted by the application of the abovementioned technologies.
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Key words:
- tyre cord steel rod /
- inclusion /
- refinging
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