Mould flux is a very important and critical material during continuous casting of steel, and takes a key role to improve quality of strands.
连铸保护渣对连铸工艺的顺行和提高铸坯表面质量具有重要影响，是连铸过程中关键性的辅料。
It shows that the rare earth influences mould flux properties, the influence varied when using different mould fluxes and different steel grades.
表明稀土对结晶器保护渣使用性能有一定影响，不同保护渣、不同钢种影响规律不尽相同。
It is recommended that research and development work about the special mould flux for the rare earth treated low carbon steel billets be carried out as soon as possible.
建议尽快进行稀土处理方坯低碳钢专用保护渣的研究开发工作。
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