| 邯钢C、Si、Mn、Nb钢中厚板边裂控制 |
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| 引用本文： | 李金波,胡志刚,顾少伟,杨海滨,刘家琪,卢军辉.邯钢C、Si、Mn、Nb钢中厚板边裂控制[J].连铸,2011(6):38-42,46. |
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| 作者姓名： | 李金波 胡志刚 顾少伟 杨海滨 刘家琪 卢军辉 |
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| 作者单位： | 1. 河北钢铁集团邯钢公司,河北邯郸,056015
2. 钢铁研究总院,北京,100081 |
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| 摘 要： | 通过对含铌钢边裂进行系统研究发现,铸坯在二冷区矫直时温度处于低塑性区域是铸坯角部横裂纹产生的主要原因,对中厚板边部质量造成严重影响。通过优化含铌钢酸溶铝与氮含量,以及对连铸二冷优化,提高铸坯边部温度等措施,有效地控制了边裂的产生。
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| 关 键 词： | 边裂 连铸 二冷优化 保护渣 |
Practice of Controlled Edge Crack of C,Si,Mn, Nb-Containing Medium Plate |
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| LI Jin-Bo,HU Zhi-gang,GU Shao-wei ,YANG Hai-bin,LIU Jia-qi ,LU Jun-hui.Practice of Controlled Edge Crack of C,Si,Mn, Nb-Containing Medium Plate[J].CONTINUOUS CASTING,2011(6):38-42,46. |
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| Authors: | LI Jin-Bo HU Zhi-gang GU Shao-wei YANG Hai-bin LIU Jia-qi LU Jun-hui |
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| Affiliation: | LI Jin-Bo1,HU Zhi-gang1,GU Shao-wei 1,YANG Hai-bin1,LIU Jia-qi 2,LU Jun-hui 2 (1.Hangang of Hebei Iron and Steel,Handan 056015,Hebei,China,2.Central Iron and Steel Research Institute,Beijing 100081,China) |
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| Abstract: | After analyzing the edge crack of C-Si-Mn-Nb-containing medium plate,the main cause of corner crack on slab is that the slabs are at the valley of hot ductility when entering the straightening zone.When optimizing the Al and N content of steel and secondary cooling to improve the corner temperature of slab,the edge crack of plate can be controlled effectively. |
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| Keywords: | edge crack continuous casting secondary cooling powder |
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