Q235B钢板坯表面纵裂纹的原因分析 |
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引用本文: | 张虎飞,田凤纪,陈剑波,余作朋,赵艳,孙建勇. Q235B钢板坯表面纵裂纹的原因分析[J]. 河北冶金, 2009, 0(4): 53-54 |
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作者姓名: | 张虎飞 田凤纪 陈剑波 余作朋 赵艳 孙建勇 |
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作者单位: | 唐山不锈钢有限责任公司,炼钢部,河北,唐山,063100;唐山钢铁公司,河北,唐山,063100 |
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摘 要: | 结合唐山不锈钢有限责任公司2#板坯连铸机生产Q235B钢板坯表面纵裂的实际,分析了钢中C含量、S含量、连铸保护渣的性能、浇注过程钢水过热度及拉速的稳定控制等对板坯表面纵裂的影响,提出了相应的控制措施。
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关 键 词: | 板坯 表面纵裂纹 原因 分析 |
CAUSE ANALYSIS FOR SURFACE LONGITUDINAL CRACKS ON Q235B SLAB |
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Affiliation: | Zhang Hufei , Tian Fengji , Chen Jianbo , Yu Zhuopeng , Sun Jianyong (1. Steelworks, Tangshan Stainless Steel Co. , Ltd. , Tangshan, Hebei, 063100; 2. Tangshan Iron and Steel Company, Tangshan, Hebei, 063016) |
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Abstract: | Based on the actual state of surface longitudinal cracks on Q235B slab, the different influences on it are analyzed from content of C, S in steel, property of casting powder, over -hot extent of molten steel in casting and steady control of drawing speed, some measures proposed. |
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Keywords: | slab surface longitudinal crack cause analysis |
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