Process Practice for Spring Steel 65 Mn Produced by 80 t Combined Blown Converter-LF-CC Flow Sheet

陈文满; 文敏; 廖明; 肖时平; 胡兵; 张杰新

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Process Practice for Spring Steel 65 Mn Produced by 80 t Combined Blown Converter-LF-CC Flow Sheet

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- Process Practice for Spring Steel 65 Mn Produced by 80 t Combined Blown Converter-LF-CC Flow Sheet
- Special Steel Vol. 30, Issue 1, Pages: 52-53(2009)
- 作者机构：
  
  重庆钢铁股份有限公司,重庆,400084
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：21 July 2008，
  
  Online First：30 November 2022，
  
  Published：30 November 2009
- 稿件说明：
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陈文满, 文敏, 廖明, et al. Process Practice for Spring Steel 65 Mn Produced by 80 t Combined Blown Converter-LF-CC Flow Sheet[J]. Special Steel, 2009, 30(1): 52-53.
DOI：

陈文满, 文敏, 廖明, et al. Process Practice for Spring Steel 65 Mn Produced by 80 t Combined Blown Converter-LF-CC Flow Sheet[J]. Special Steel, 2009, 30(1): 52-53. DOI：

摘要

通过高拉碳补吹氧操作

控制转炉终点[C

]

≥0.08%

]

≤0.015%

]

≤0.03%;控制LF渣碱度3.0～3.5

LF末进行Ca包芯线处理

全程保护浇铸

电磁搅拌

钢水过热度15～30℃

使65Mn弹簧钢(%:0.64～0.69C、0.95～1.10Mn)平均T[O

]

达到22.7×10

-6

钢中P含量为0.011%～0.020%

S含量为0.004%～0.015%

力学性能和组织均达到标准和使用要求。

Abstract

With process practice such as using eatch carbon-rehlovv oxygen practice

controlling coiHeiler end [C

]

≥0.08%

]

≤ 0. 0159( and [S

]

≤ 0. 03%

controlling LF' refining slag basicity 3. 0 ~ 3、5

earning nut Ca clad wire feeding at LF end

shielding casting during while process

electromagnetic stirring

liquid steel overheating 15 〜30 ℃

the average T[O

]

of spring steel 65Mn (0. 64% 〜0. 69% C

0. 95% ~ 1. 10% Mn) was 22. 7x10

-6

p conlenl in steel was 0. 011 % ~ 0. 020%

S content in steel was 0.004% 〜0.015%

and the structure and mechanical properties of slerl met the re(|nirenieiit of standard and application.

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