| 40Cr合金结构钢连铸工艺研究与应用 |
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| 引用本文： | 王立君,翟正龙,郑桂芸,孙永喜.40Cr合金结构钢连铸工艺研究与应用[J].山东冶金,2003(Z2). |
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| 作者姓名： | 王立君 翟正龙 郑桂芸 孙永喜 |
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| 作者单位： | 莱芜钢铁股份有限公司特殊钢厂，莱芜钢铁股份有限公司特殊钢厂，莱芜钢铁股份有限公司特殊钢厂，莱芜钢铁股份有限公司特殊钢厂 山东莱芜271105，山东莱芜271105，山东莱芜271105，山东莱芜271105 |
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| 摘 要： | 莱钢特钢厂在1#连铸系统中采用EBT—LF—连铸工艺生产40Cr合金结构钢,通过合理控制用氧、调整炉渣碱度、采用Si—Ca线处理钢水、控制钢水过热度、调整拉速、合理控制二冷配水,确定了最佳工艺方案,提高了钢水收得率,解决了水口锈眼问题,保证了连铸生产顺行和质量稳定。
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| 关 键 词： | 40Cr合金结构钢 EBT电炉 LF精炼 连铸 水口锈眼 |
Research and Application of 40Cr Structural Alloy Steel Continuous Casting Process |
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| WANG Li-jun,ZHAI Zheng-long,ZHENG Gui-yun,SUN Yong-xi.Research and Application of 40Cr Structural Alloy Steel Continuous Casting Process[J].Shandong Metallurgy,2003(Z2). |
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| Authors: | WANG Li-jun ZHAI Zheng-long ZHENG Gui-yun SUN Yong-xi |
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| Abstract: | 40Cr structural alloy steel is produced with EBT-LF-CC process in No.1 continuous casting system in the special steel plant of laigang. Through reasonably controlling argon blowing, adjusting slag alkalinity, treating liquid steel with Si-Ca wire, controlling liquid steel superheat, adjusting casting speed, reasonably controlling secondary cooling, the optimal process is defined, which raises the recovery ratio of liquid steel and resolves the problem of nozzle blocking, ensures smooth continuous casting production and stable steel quality. |
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| Keywords: | 40Cr structural alloy steel eccentric bottom tapping electric furnace ladle furnace refining continuous casting nozzle blocking |
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