Abstract：There are more advanced requests on steel cleanness and shape control of non-metallic inclusions for producing rail steel．According to the smelting situations of hot metal with high sulphur content at Panzhihua Steel，technologies for controlling the sulfur content during hot metal pretreatment，converter smelting，and second refining are developed．Technologies in clean steelmaking such as increasing the cleanness of steel，quantity and shape control of non-metallic inclusions are formed．Rail steel at a speed of 350km/h has been produced．As for the high speed rail steel，over 95% of the steel has the w(［S］)≤0.008%，the content of w(T［O］) deceases to below 0.001 5%，and the distribution and shape of inclusions are controlled effectively．
收稿日期: 2013-04-26
出版日期: 2014-03-28
引用本文:
杨森祥，黄德胜，曾建华. 钢轨钢生产中硫的控制[J]. 钢铁, 2014, 49(3): 83-87.
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2014, Vol. 49 
