| 管线钢L450MB硫、磷含量的控制 |
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| 引用本文： | 孙晖东,赵士明,杜大鹏,秦坤,邬早勤,尹绍江.管线钢L450MB硫、磷含量的控制[J].宽厚板,2011,17(4):12-15. |
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| 作者姓名： | 孙晖东 赵士明 杜大鹏 秦坤 邬早勤 尹绍江 |
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| 作者单位： | 唐山钢铁有限责任公司 |
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| 摘 要： | 简要分析了硫、磷对管线钢性能的影响以及脱降硫、磷的工艺条件。结合唐钢中厚板公司管线用钢L450MB冶炼的生产实践,分析了＂顶底复吹转炉-LF精炼-板坯连铸＂工艺流程中硫、磷含量的变化规律和控制技术,指出转炉脱磷和LF精炼脱硫是冶炼的关键技术。
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| 关 键 词： | 管线钢 脱硫 脱磷 |
Control of Sulphur and Phosphorus Content of L450MB Pipeline Steel |
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| Sun Huidong,Zhao Shiming,Du Dapeng,Qin Kun,Wu Zaoqin,Yin Shaojiang.Control of Sulphur and Phosphorus Content of L450MB Pipeline Steel[J].Wide and Heavy Plate,2011,17(4):12-15. |
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| Authors: | Sun Huidong Zhao Shiming Du Dapeng Qin Kun Wu Zaoqin Yin Shaojiang |
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| Affiliation: | Sun Huidong,Zhao Shiming,Du Dapeng,Qin Kun,Wu Zaoqin and Yin Shaojiang(Tangshan Iron and Steel Co.Ltd) |
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| Abstract: | This paper analyzes the effect of sulphur and phosphorus on properties of pipeline steel,and the process conditions of desulfurization and dephosphorization.Combining with smelting practice of L450MB pipeline steel in Tangsteel Medium and Heavy Plate Co.,Ltd,this paper analyzes the change law and control technique of sulfur and phosphorus contents in the process of Top and bottom blowing converter-LF refining-Slab casting,and points out that the converter dephosphorization and LF refining desulfurization is... |
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| Keywords: | Pipeline steel Desulfurization Dephosphorization |
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