Effect of Titanium Content on Mechanical Properties of Hot Rolled Plate of Nb-Ti Microalloying Q345A Steel

刘丽霞; 王世俊; 周云; 彭军

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Effect of Titanium Content on Mechanical Properties of Hot Rolled Plate of Nb-Ti Microalloying Q345A Steel

更新时间：2026-01-21

- Effect of Titanium Content on Mechanical Properties of Hot Rolled Plate of Nb-Ti Microalloying Q345A Steel
- Special Steel Vol. 28, Issue 6, Pages: 61-62(2007)
- 作者机构：
  
  1. 安徽工业大学冶金与资源学院,马鞍山,243002
  2. 北京科技大学冶金与生态学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：21 May 2007，
  
  Online First：29 December 2022，
  
  Published：29 December 2007
- 稿件说明：
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刘丽霞, 王世俊, 周云, et al. Effect of Titanium Content on Mechanical Properties of Hot Rolled Plate of Nb-Ti Microalloying Q345A Steel[J]. Special Steel, 2007, 28(6): 61-62.
DOI：

刘丽霞, 王世俊, 周云, et al. Effect of Titanium Content on Mechanical Properties of Hot Rolled Plate of Nb-Ti Microalloying Q345A Steel[J]. Special Steel, 2007, 28(6): 61-62. DOI：

摘要

试验研究了钛含量对Q345A钢(%:0.08～0.10C、1.19～1.46Mn、0.017～0.029Nb、0.02～0.08Ti) 14～20mm热轧板力学性能的影响。结果表明

Ti=0.02%时

钢板的强度无显著变化

Ti为0.02%～0.04%时

钢板强度随Ti含量增加而增加;Ti≥0.04%时

钢板强度随Ti含量增加而下降。控制Nb-Ti微合金化重型汽车板用钢Q345A的Ti含量为0.02%～0.04%

可获得最佳强塑性配合。

Abstract

The effect of titanium content on mechanical properties of 14～20 mm hot rolled plate of Q345A steel (0.08~0. 10C

1.19～1.46Mn

0.017～0.029Nb

0.02～0.08Ti) has been studied. Results showed that as Ti=0.02%

the strength of steel plate was not obvious change

as Ti content was0.02～0.04%

with increasing Ti content the strength of steel plate increased

and as Ti≥0.04%

with increasing Ti content the strength of steel plate decreased. With controlling Ti content within0.02%~0.04% in Nb-Ti microalloying Q345A steel for heavy truck plate

the optimum combined strength and plasticity shall be got.

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