| 1Cr6Si2Mo马氏体耐热不锈钢连铸方坯质量的控制 |
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| 引用本文： | 涂玉国,张国付,刘恩永,姜德艳,谢振东,黄小东.1Cr6Si2Mo马氏体耐热不锈钢连铸方坯质量的控制[J].连铸,2012(6):43-46. |
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| 作者姓名： | 涂玉国 张国付 刘恩永 姜德艳 谢振东 黄小东 |
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| 作者单位： | 1. 江苏申源特钢有限公司,江苏兴化,225722
2. 中冶连铸技术工程股份有限公司工程二部,安徽马鞍山,243000 |
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| 摘 要： | 1Cr6Si2Mo马氏体耐热不锈钢在连铸生产过程中,铸坯易出现中心疏松、缩孔、偏析和柱状晶发达及表面凹坑的质量缺陷;针对这些质量缺陷,采取了降低钢液的过热度、选择适宜的冷却强度、降低拉速和提高结晶器电搅电流等措施,通过这些措施能有效提高铸坯表面质量,降低中心疏松、缩孔及偏析等质量缺陷。
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| 关 键 词： | 马氏体耐热不锈钢 表面凹坑 柱状晶 中心缩孔 中心疏松 |
Quality Control of Caster on Billet Quality of Martensitic Anti-Heat Stainless Steel-lCr6Si2Mo |
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| TU Yu-guo,ZHANG Guo-fu,LIU En-yong,JIANG De-yan,XIE Zhen-dong,HUANG Xiao-dong.Quality Control of Caster on Billet Quality of Martensitic Anti-Heat Stainless Steel-lCr6Si2Mo[J].CONTINUOUS CASTING,2012(6):43-46. |
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| Authors: | TU Yu-guo ZHANG Guo-fu LIU En-yong JIANG De-yan XIE Zhen-dong HUANG Xiao-dong |
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| Affiliation: | 2 (1. Jiangsu Shenyuan Special Steel Co. , Ltd. , Xinghua 225722 ,Jiangsu,China 2. Second Engineering Department, CCTEC Engineering Co., Ltd., Ma＇anshan 243000, Anhui,China) |
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| Abstract: | During the process of caster production, a lot of quality flaws occurred on the billet of martensitic anti-heat stainless steel-lCr6Si2Mo, such as center unsoundness, center void, segregation, rich columnar crystal and surface depression and so on. In view of these quality flaws, some measures were taken such as adjusting the overheat of liquid steel, choosing proper cooling speed, reducing the speed and upgrading M-EMS currency, so that the billet surface flaws can be increased efficiently and center porosity, void and segregation can be decreased. |
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| Keywords: | martensitic anti-heat stainless steel surface depression columnar crystal center void center porosity |
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