| 太钢60 t EAF-LF-VD-2.5 t铸锭流程冶炼低钛轴承GGrl5钢的实践 |
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| 引用本文： | 邬中华.太钢60 t EAF-LF-VD-2.5 t铸锭流程冶炼低钛轴承GGrl5钢的实践[J].特殊钢,2019,40(1):57-59. |
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| 作者姓名： | 邬中华 |
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| 作者单位： | 山西太钢不锈钢股份有限公司技术中心，太原030003 |
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| 摘 要： |
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| 收稿时间： | 2018-08-23 |
Practice of Low Titanium Bearing Steel GCrl5 Steelmaking by 60 t EAF-LF-VD-2.5 t Ingot Flowsheet at Taigang |
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| Wu Zhonghua.Practice of Low Titanium Bearing Steel GCrl5 Steelmaking by 60 t EAF-LF-VD-2.5 t Ingot Flowsheet at Taigang[J].Special Steel,2019,40(1):57-59. |
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| Authors: | Wu Zhonghua |
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| Affiliation: | Technology Center,Shanxi Taigang Stainless steel Co Ltd,Taiyuan 030003 |
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| Abstract: | With the process measures including using low titanium hot metal, alloys and slagging materials, eccentric bottom tapping and alloying in tapping in EAF steelmaking, using Si-Al compound deoxidation and CaO-MgO-SiO2 -Al2O3 slag series with basicity 3 ~5 in LF refining,30 Pa VD treatment and shielding casting,the analysis results of Φ150 mm forged bar are oxygen content in GCrl5 bearing steel being 4.5 X 10-6 ~9 x 10-6 ,Ti content 0.0010% ~0.0015% with minor 5 μm TiN inclusions to meet the quality requirement for super grade quality low titanium bearing steel. |
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