Control of Nitrogen Content in Bearing Steel Steelmaking by a 50 t EAF-LF(VD)-CC Flowsheet
特殊钢2006年27卷第4期 页码:53-54
作者机构:
1. 西安建筑科技大学,西安,710055
2. 莱芜钢铁股份有限公司,莱芜,271105
作者简介:
[
"胡蒙均(1977-),男,西安建筑科技大学硕士研究生,钢铁冶炼工艺。"
]
基金信息:
DOI:
中图分类号:
收稿:2006-02-08,
网络首发:2023-03-18,
纸质出版:2006-03-18
稿件说明:
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胡蒙均, 李法兴, 赵俊学, 等. 50 t EAF-LF(VD)-CC 流程冶炼轴承钢的氮含量控制
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[J]. 特殊钢, 2006,27(4):53-54.
胡蒙均, 李法兴, 赵俊学, et al. Control of Nitrogen Content in Bearing Steel Steelmaking by a 50 t EAF-LF(VD)-CC Flowsheet[J]. Special Steel, 2006, 27(4): 53-54.
胡蒙均, 李法兴, 赵俊学, 等. 50 t EAF-LF(VD)-CC 流程冶炼轴承钢的氮含量控制
#br#
[J]. 特殊钢, 2006,27(4):53-54.DOI:
胡蒙均, 李法兴, 赵俊学, et al. Control of Nitrogen Content in Bearing Steel Steelmaking by a 50 t EAF-LF(VD)-CC Flowsheet[J]. Special Steel, 2006, 27(4): 53-54.DOI:
The nitrogen content in GCr15 bearing steel at each melting phase in 50 t EAF-LF(VD)-CC process was analyzed to obtain that the EAF end [N] was(23~36)×10-⁶ and the N content in products was (79~104)×10-⁶.In order to decrease the N content in bearing steel
with charging ≥35% hot metal in EAF
using low nitrogen carbonizing agent
optimizing LF refining operation
VD vacuum ≤67 Pa
long nozzle and argon shielding casting
the average nitrogen content in GCr15 bearing steel products decreased to 54.8×10-⁶ from original 91.6×10-6.