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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- Practice of Low Titanium Bearing Steel GCrl5 Steelmaking by 60 t EAF-LF-VD-2.5 t Ingot Flowsheet at Taigang
- Special Steel Vol. 40, Issue 1, Pages: 57-59(2019)
- 作者机构：
  
  山西太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：23 August 2018，
  
  Online First：24 May 2022，
  
  Published：24 May 2019
- 稿件说明：
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邬中华. 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.
DOI：

邬中华. 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. DOI：

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-SiO

-Al

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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