| 极低硫X70钢的LF精炼工艺研究 |
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| 引用本文： | 宋满堂,王会忠,王新华.极低硫X70钢的LF精炼工艺研究[J].钢铁,2008,43(12):38-0. |
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| 作者姓名： | 宋满堂 王会忠 王新华 |
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| 作者单位： | 1.北京科技大学冶金与生态工程学院， 北京 100083；2.本钢集团公司炼钢厂， 辽宁 本溪 117021 |
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| 摘 要： | 在极低硫（w(S)≤0.0020%）X70钢的生产过程中，从铁水脱硫扒渣、转炉冶炼到LF精炼各工序要严格控制，而LF精炼工艺是影响钢液深脱硫的关键因素。控制好LF精炼终渣碱度、氧化性和渣量，钢液温度和脱氧，已生产出w(S)波动在0.0004%~0.0030%范围，平均0.0014%的X70钢。
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| 关 键 词： | 极低硫 X70 LF 脱硫 |
Study on LF Refining Technique About Ultra Low Sulphur Steel X70 |
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| SONG Man-tang,WANG Hui-zhong,WANG Xin-hua.Study on LF Refining Technique About Ultra Low Sulphur Steel X70[J].Iron & Steel,2008,43(12):38-0. |
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| Authors: | SONG Man-tang WANG Hui-zhong WANG Xin-hua |
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| Affiliation: | 1.School of Metallurgical and Ecological Enginery,University of Science and Technology Beijing, Beijing 100083, China;2.Benxi Iron and Steel (Group) Co.,Ltd., Benxi 117021, Liaoning, China |
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| Abstract: | For production of ultra low sulphur （w(S)≤0.0020%）X70, all the procedures from hot metal desulphurization and slag skimming, converter smelting to ladle furnace refining, must be controlled strictly, moreover the LF refining technique is the key factor of deep desulphurization. By controlling basicity, oxygen potential and amount of LF finishing slag, and liquid steel temperature, deoxidation process of X70 with sulphur content, ranged from 0.0004% to 0.0030%, and average of 0.0014%.could be produced. |
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| Keywords: | X70 LF |
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