Overview of non-quenched and tempered steel for automotive

Liu Nianfu; Shen Wei; Tian Qianren; Fu Jianxun

doi:10.7513/j.issn.1004-7638.2024.02.017

Volume 45 Issue 2

Feb. 2024

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Liu Nianfu, Shen Wei, Tian Qianren, Fu Jianxun. Overview of non-quenched and tempered steel for automotive[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(2): 115-124. doi: 10.7513/j.issn.1004-7638.2024.02.017

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Liu Nianfu, Shen Wei, Tian Qianren, Fu Jianxun. Overview of non-quenched and tempered steel for automotive[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(2): 115-124. doi: 10.7513/j.issn.1004-7638.2024.02.017

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Overview of non-quenched and tempered steel for automotive

doi: 10.7513/j.issn.1004-7638.2024.02.017

Liu Nianfu^{1, 2
,},
Shen Wei¹,
Tian Qianren¹,
Fu Jianxun^{1
,
,}

1.
Center for Advanced Solidification Technology (CAST), State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai 200444, China
2.
Baowu JFE Special Steel Co., Ltd., Shaoguan 512123, Guangdong, China

More Information

Received Date: 2023-01-16
Available Online: 2024-04-30
Publish Date: 2024-04-30

Abstract

Abstract

In this paper the development history and status quo of non-quenched and tempered steel for making auto parts worldwidely had been described, and the technologies such as strengthening & toughening, sulfide form and distribution control, and material segregation control had been highlighted. The strength and toughening of non-quenched and tempered steel are mainly realized through two approaches: composition and production process optimization and microstructure optimization. Sulfide morphology and distribution can be regulated from smelting, solidification, and rolling processes, and sulfide segregation can be improved from solidification process and continuous casting process. In the future, with the development of the non-quenched and tempered steel market and the further improvement of variety demand, non-quenched and tempered steel will further develop in the direction of multi-variety, micro-alloying high strengthen, easy cutting, high speed, and high reliability.
- automobile steel,
- non-quenched and tempered steel,
- microstructure,
- strengthening and toughening,
- sulfide

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References(51)

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