Effect of Final Rolling and Final Cooling Temperature on Microstructure and Properties of Girder Steel

被引：0

作者：

Zhao, Jingli ^{[1
]}

Zhao, Xianming ^{[1
]}

Zhao, Xiaoyu ^{[1
]}

Dong, Chunyu ^{[1
]}

机构：

[1] Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China

来源：

2018 INTERNATIONAL SYMPOSIUM ON MECHANICS, STRUCTURES AND MATERIALS SCIENCE (MSMS 2018) | 2018年 / 1995卷

关键词：

ULTRAFINE FERRITE; CARBON;

D O I：

10.1063/1.5048762

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, the influence of the final rolling temperature and final cooling temperatures on the microstructure and properties of H0550 girder steel was investigated using a RAL Phi 450x450mm hot rolling mill. The OM, SEM and tensile tests were used to characterize its microstructure and properties. The results show that a reasonable combination of higher strength and good plasticity can be obtained at a final rolling temperature of 890 degrees C and final cooling temperature of 620 degrees C. Finally, its tensile strength can reach to 910MPa and the elongation is 24%.

引用

页数：5

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