Present Status of Research and Development of High Strength Non-Quenched and Tempered Cold Heading Steels

Special Steel ›› 2010, Vol. 31 ›› Issue (5): 26-28.

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Present Status of Research and Development of High Strength Non-Quenched and Tempered Cold Heading Steels

Cao Jie^1,2 , Liu Yazheng¹ , Yan Jun², Zhang Jing²

1. School of Materials Science and Engineering, University of Science and Technology, Beijing 100083 ；
2. School of Materials Science and Engineering, Anhui University of Technology, Ma^，anshan 243002；

Received:2010-03-09 Online:2010-10-01 Published:2022-11-11

高强度非调质冷镦钢研究和开发现状

曹杰^1,2，刘雅政¹，阎军²，章静²

1. 北京科技大学材料科学与工程学院，北京 100083 ；
2. 安徽工业大学材料科学与工程学院，马鞍山 243002；

作者简介:曹杰(1971-)，男，博士生，副教授，钢铁材料和工程研究。
基金资助:
科技部支撑计划项目资助(2007DAE30B04)

Abstract

Abstract: According to the present status of research and development of high strength non-quenched and tempered cold heading steel at home and abroad, the chemical composition, characteristics of process, structure and mechanical properties of 800 ~ 1200 MPa high strength non-quenched and tempered cold heading steels are analyzed and discussed. The high strength non-quenched and tempered cold heading steel should has high strength and excellent cold-forming property, of which the strength and hardness of hot rolled products should be controlled in a suitable range. The steel grade can get better structure and mechanical properties by using low carbon high manganese and micro-alloying steel series with thermal-mechanical control rolling process.

Key words: Non-Quenched and Tempered Cold Heading Steel, Chemical Composition, Structure, Mechanical Properties, Research and Development

摘要： 根据国内外高强度非调质冷镦钢的研究和开发现状,分析和讨论了800～1 200 MPa高强度非调质冷镦钢的化学成分、工艺特点、组织和力学性能。高强度非调质冷镦钢应具有高的强度和有良好的冷成形性,其热轧材的强度和硬度应控制在一个合适的范围内。采用低碳高锰及微合金化的成分系列,通过热机轧制工艺,该钢种能获得良好的组织和力学性能。

关键词: 非调质冷镦钢, 成分, 组织, 力学性能, 研究和开发

Cao Jie , Liu Yazheng , Yan Jun, Zhang Jing. Present Status of Research and Development of High Strength Non-Quenched and Tempered Cold Heading Steels[J]. Special Steel, 2010, 31(5): 26-28.

曹杰, 刘雅政, 阎军, 章静. 高强度非调质冷镦钢研究和开发现状[J]. 特殊钢, 2010, 31(5): 26-28.

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Present Status of Research and Development of High Strength Non-Quenched and Tempered Cold Heading Steels

高强度非调质冷镦钢研究和开发现状

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