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Trial Production of Sulphurous Free-Cutting Gear Steel by Convert-Billet Continuous Casting Process

机译:转坯连铸工艺试生产含硫易切削齿轮钢

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摘要

In consideration of the composition characteristics and quality requirements of sulphurous free-cutting gear steel, the rational measures of sulfur control, calcium treatment and key technologies of continuous casting process are applied in the development of a full-line operation of LD-Billet continuous casting on steelmaking with semi-steel, which suggests an economic production of the steel has been realized. Test results show that the average retrieval rate of sulphurous alloy in the process of RH treatment is 95.3% and sulfur content of products is stability.
机译:考虑到硫磺易切削齿轮钢的成分特性和质量要求,在开发LD-Billet连铸全线生产中,采用了合理的硫控制措施,钙处理措施和连铸工艺关键技术。关于半钢的炼钢,这表明该钢已经实现了经济生产。试验结果表明,RH处理过程中含硫合金的平均回收率为95.3%,产品硫含量稳定。

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