| 超纯铁素体不锈钢品种和精炼技术的进展 |
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| 引用本文： | 游香米,姜周华,李花兵.超纯铁素体不锈钢品种和精炼技术的进展[J].特殊钢,2006,27(5):40-42. |
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| 作者姓名： | 游香米 姜周华 李花兵 |
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| 作者单位： | 东北大学材料与冶金学院，沈阳110004 |
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| 摘 要： | 超纯铁素体不锈钢中(C+N)含量≤150×10- °,其耐蚀性、焊接性能、韧性等显著高于普通铁素 体不锈钢。介绍了新开发的409改进型、429及改进型、444及改进型超纯铁素体不锈钢的钢种、成分和性能； 采用三步法工艺冶炼18Cr超纯铁素体不锈钢，用SS-VOD 精炼时，钢中C+N]≤70×10-⁶ ;VOD-PB 精炼时， C+N] 为80×10-⁶ ;VCR 精炼时，C+N] 为(80~100)×10-⁶。
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| 关 键 词： | 超纯铁素体不锈钢 精炼 |
| 收稿时间： | 04 19 2006 12:00AM |
| 修稿时间： | 2006-04-19 |
Progress in Grades and Refining Technology of Ultra Purity Ferritic Stainless Steels |
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| You Xiangmi,Jiang Zhouhua,Li Huabing.Progress in Grades and Refining Technology of Ultra Purity Ferritic Stainless Steels[J].Special Steel,2006,27(5):40-42. |
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| Authors: | You Xiangmi Jiang Zhouhua Li Huabing |
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| Affiliation: | School of Materials and Metallurgy,Northeastern University,Shenyang 110004) |
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| Abstract: | The(C+N)content in ultra purity ferritic stainless steels is ≤150×10-⁶,its corrosion resistance, weldability and toughness are obviously higher than that of common ferritic stainless steels. The grade,chemical com- position and properties of new developed ultra purity fernitic stainless steels including modified 409,429 and modi- fied,444 and modified steels are presented; and by using 3- step steel making process to produce 18Cr ultra purity ferritic stainless steels, with SS-VOD refining,the(carbon + nitrogen)content in steel-C+N] is≤70×10-6, with VOD-PB refining,C+N] is 80×10-6,and with VCR refining,C+N] is(80～100)×10-⁶. |
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| Keywords: | [C N] |
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