| 水电用马氏体不锈钢的冶炼工艺实践 |
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| 引用本文： | 胡进林,张生存,彭凡,唐钟雪.水电用马氏体不锈钢的冶炼工艺实践[J].中国冶金,2011,21(9):26-29. |
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| 作者姓名： | 胡进林 张生存 彭凡 唐钟雪 |
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| 作者单位： | 宁夏共享铸钢有限公司，宁夏 银川 750021 |
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| 摘 要： | 通过生产数据分析与探讨，得出水电用马氏体不锈钢的冶炼主要有两大问题:VOD吹氧脱碳技术控制及 气体质量分数控制。分析结果表明:影响VOD吹氧脱碳技术的主要因素有吹氩流量、极限真空度、VOD吹氧脱碳 温度;气体质量分数主要通过控制钢液吸气及钢液去气两个方面。针对以上问题进行了VOD工艺技术的优化，提 高了VOD冶炼不锈钢铸件的一次脱碳成功率以及Cr合金回收率，同时使钢液气体质量分数控制到了较低水平， 降低了生产成本的同时提高了产品质量。
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| 关 键 词： | 夹杂物 吹氧脱碳 气体质量分数 |
Technology Practice of Martensitic Stainless Steel for Hydro Power |
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| HU Jin-lin,ZHANG Sheng-cun,PENG Fan,TANG Zhong-xue.Technology Practice of Martensitic Stainless Steel for Hydro Power[J].China Metallurgy,2011,21(9):26-29. |
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| Authors: | HU Jin-lin ZHANG Sheng-cun PENG Fan TANG Zhong-xue |
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| Affiliation: | Technology Center of Kocel Group， Yinchuan 750021， Ningxia， China |
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| Abstract: | After analyzing the data and discussion two main keys for smelting martensitic stainless steel for hydro power were understood: VOD oxygen blowing decarburization technique control and control of gas content.Argon flowrate,ultimate vacuum and temperature have impact on VOD oxygen blowing decarburization technique control.Suction and degassing of liquid steel have impact on control of gas content.According to the knowledge mentioned above,VOD technique had been optimized,which further improves qualified rate... |
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| Keywords: | inclusions oxygen blowing decarbonization gas percentage |
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