Research Progress of High Strength Marine Engineering Steel Having Low Yield Ratio

陈星宇; 徐振; 王宁; 张于顺; 王弘江; 丁太兴; 高宇

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Research Progress of High Strength Marine Engineering Steel Having Low Yield Ratio

更新时间：2026-01-21

- Research Progress of High Strength Marine Engineering Steel Having Low Yield Ratio
- Special Steel Vol. 41, Issue 6, Pages: 1-5(2020)
- 作者机构：
  
  1. 辽宁科技大学材料与冶金学院,鞍山,114051
  2. 鞍山紫竹科技型钢有限公司,鞍山,114015
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：01 February 2020，
  
  Online First：07 May 2022，
  
  Published：07 May 2020
- 稿件说明：
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陈星宇, 徐振, 王宁, et al. Research Progress of High Strength Marine Engineering Steel Having Low Yield Ratio[J]. Special Steel, 2020, 41(6): 1-5.
DOI：

陈星宇, 徐振, 王宁, et al. Research Progress of High Strength Marine Engineering Steel Having Low Yield Ratio[J]. Special Steel, 2020, 41(6): 1-5. DOI：

摘要

综述了国内外低屈强比高强度海工钢研究与应用情况。从化学成分、金相组织结构、晶粒尺寸与取向、缺陷与强化四个方面阐述了影响钢材屈强比的常见因素

系统地总结了多种降低钢材屈强比的一般性工艺手段。介绍了国内外海工钢发展现状

目前国内690 MPa级别的海工钢屈强比在0.90～0.95

未来将致力于屈强比低于0.85的海工钢的研发

其中

热处理是降低海工钢屈强比的重要手段。

Abstract

The research progress and application of high strength marine engineering steel having low yield ratio at home and abroad are summarized. The factors of chemical composition

metallographic structure

grain size and orientation and defect of strengthening to affect yield ratio of steel

and the multiple general process measures reducing the yield ratio are viewed. The development status in marine engineering steel at home and abroad is introduced

the yield ratio of 690 MPa marine engineering steel in China is between 0.90 and 0. 95 and the marine engineering steel with a yield ratio lower than 0. 85 will be researched in the future. One of which it the heat treatment process is a key measure to decrease the yield ratio of marine engineering steel.

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