| 0Cr18Ni9纯净不锈钢75t LF精炼工艺的优化 |
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| 引用本文： | 冯焕林,刘承志. 0Cr18Ni9纯净不锈钢75t LF精炼工艺的优化[J]. 特殊钢, 2007, 28(6): 49-50 |
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| 作者姓名： | 冯焕林 刘承志 |
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| 作者单位： | 太原钢铁集团有限公司，太原030003 |
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| 摘 要： | 通过预处理铁水-75 t K-OBM-S-VOD-LF流程生产0Cr18Ni9纯净不锈钢。0Cr18Ni9纯净钢在LF精炼过程中,当底吹氩搅拌功率由20～40W/t降至13～21W/t,并按Ca/Al≈0.1喂入适量Ca-Si线,钢中氧含量和Al2O3含量分别降至30×10-6和5×10-6以下;金相法检验结果表明,0Cr18Ni9纯净钢板坯中夹杂物总量降低40%,≥20μm的夹杂降至5%以下。
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| 关 键 词： | LF精炼 0Cr18Ni9纯净不锈钢 工艺优化 |
| 收稿时间： | 2007-05-22 |
Optimization of a 75 t LF Refining Process of Clean Stainless Steel 0Cr18Ni9 |
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| Feng Huan-lin,Liu Cheng-zhi. Optimization of a 75 t LF Refining Process of Clean Stainless Steel 0Cr18Ni9[J]. Special Steel, 2007, 28(6): 49-50 |
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| Authors: | Feng Huan-lin Liu Cheng-zhi |
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| Affiliation: | Technical Center, Taiyuan Iron and Steel Co Ltd, Taiyuan 030003 |
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| Abstract: | The 0Crl8Ni9 clean stainless steel is produced by pretreated hot metal - 75 t K-OBM-S - VOD - LF flow sheet. During LF refining for steel 0Cr18Ni9 as bottom argon blown stirring power decreased from 20 ~40 W/t to 13 ~21 W/t with feeding available Ca-Si wire according to Ca/Al≈0.1, the oxygen content and Al2O3 content in steel decreased respectively to less than 30 x 10-6 and 5 x 10-6 ； and the metallographic examination results showed that total amount of inclusions in slab of steel 0Crl8Ni9 decreased by 40% , the inclusions with size ≥20μm decreased to less than 5%. |
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| Keywords: | LF Refining Clean Stainless Steel 0Cr18Ni9 Process Optimization |
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