Process Practice of GCr15 Bearing Steel With 60 t Consteel EAF-LF(VD)- CC Flow Sheet at Guiyang Steel

夏辉华; 王翔; 袁仁平; 周英豪

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Process Practice of GCr15 Bearing Steel With 60 t Consteel EAF-LF(VD)- CC Flow Sheet at Guiyang Steel

更新时间：2026-01-21

- Process Practice of GCr15 Bearing Steel With 60 t Consteel EAF-LF(VD)- CC Flow Sheet at Guiyang Steel
- Special Steel Vol. 27, Issue 3, Pages: 59-60(2006)
- 作者机构：
  
  贵阳特殊钢有限责任公司,贵阳,550005
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 January 2006，
  
  Online First：13 March 2023，
  
  Published：13 March 2006
- 稿件说明：
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夏辉华, 王翔, 袁仁平, et al. Process Practice of GCr15 Bearing Steel With 60 t Consteel EAF-LF(VD)- CC Flow Sheet at Guiyang Steel[J]. Special Steel, 2006, 27(3): 59-60.
DOI：

夏辉华, 王翔, 袁仁平, et al. Process Practice of GCr15 Bearing Steel With 60 t Consteel EAF-LF(VD)- CC Flow Sheet at Guiyang Steel[J]. Special Steel, 2006, 27(3): 59-60. DOI：

摘要

通过Consteel电弧炉偏心底出钢留渣作业

熔炼过程温度控制为1 560~1 590℃

全程泡沫渣冶炼

出钢时[P

]

≤0.010%;LF时用低碱度复合精炼渣精炼

VD处理时

真空度≤67 Pa

氩气搅拌20 min;150 mm×150 mm方坯连铸采用全程保护浇铸和结晶器电磁搅拌

使贵阳特钢GCr15轴承钢中的氧含量为(5~11)×10

-6

平均氧含量为9×10

-6

。

Abstract

The P content in molten steel during eccentric bottom tapping of Consteel electric are furnace was ≤0.010% by controlling temperature of molten steel 1560~1590 ℃ and melting with foaming slag in whole period. The oxygen content in bearing steel produced at Guiyang Stecl was(5～11)×10-⁶

average oxygen content was 9×10-⁶ by low basicity compound slag refining in ladle furnace

≤67 Pa VD treatment with Ar stiring for 20 min

Shield cast in whole period and mold electromagnetic stiring for 150 mm×150 mm billet casting.

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