Research and Production of Non-Quenched-Tempered Steel 48MnV

谢文新; 王新社; 卢明霞; 曹红福; 李芸

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Research and Production of Non-Quenched-Tempered Steel 48MnV

更新时间：2026-01-21

- Research and Production of Non-Quenched-Tempered Steel 48MnV
- Special Steel Vol. 30, Issue 3, Pages: 44-45(2009)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 江阴兴澄特种钢铁有限公司，江阴,214429
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：21 November 2008，
  
  Online First：24 November 2022，
  
  Published：24 November 2009
- 稿件说明：
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谢文新, 王新社, 卢明霞, et al. Research and Production of Non-Quenched-Tempered Steel 48MnV[J]. Special Steel, 2009, 30(3): 44-45.
DOI：

谢文新, 王新社, 卢明霞, et al. Research and Production of Non-Quenched-Tempered Steel 48MnV[J]. Special Steel, 2009, 30(3): 44-45. DOI：

摘要

用100 t EAF-LF(VD)-300 mm×320 mm连铸-连轧工艺生产的48MnV钢(%:0.45～0.51 C、0.90～1.20Mn、0.05～0.10V)出现粗大晶粒

经13道次轧成的125 mm×125 mm方钢(0.030%～0.050%Ti)的晶粒度为3～4级

经9道次轧成的Φ141 mm圆钢(0.030%～0.053%Ti)的晶粒度为4～5级;但通过加0.018%～0.035%Ti和0.021%～0.029%Nb后

经9道次轧制的Φ141 mm圆钢的晶粒度达5.5～6.5级

显著提高钢的强韧性。

Abstract

Coarse grains occurred in the non-quenched-tempered steel 48MnV (% : 0. 45 ~0. 51C

0. 90 ~ 1. 20Mn

0. 05 〜0. 10 V ) produced by 100 t EAF-LF ( VD) -300 mm x 320 mm casting-continuous rolling process. As added 0. 030% 〜0. 050% Ti in steel

the rating of grain in 125 mm x 125 mm square bar rolled with 13 passes was 3 ~ 4 ； the rating of grain in Φ141 mm roun(i bar ( contained 0. 030% 〜0.053% Ti) rolled with 9 passes was 4 ~5; but as added 0. 018% ~0. 035% Ti and 0. 021 % 〜0. 029% Nb in steel

the rating of grain in Φ141 mm round bar rolled with 9 passes was 5. 5 〜6. 5 in order to obviously increase strength and toughness of steel.

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