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短流程热轧双相钢的生产现状及发展趋势
引用本文:蔡珍,汪水泽,徐进桥,刘洋,何亚元. 短流程热轧双相钢的生产现状及发展趋势[J]. 轧钢, 2018, 35(2): 59-64
作者姓名:蔡珍  汪水泽  徐进桥  刘洋  何亚元
作者单位:宝钢股份中央研究院武汉分院,湖北武汉430080
摘    要:介绍了热轧双相钢的生产工艺以及典型工艺参数对其组织性能的影响。热轧双相钢的生产工艺类型分为低温卷取型和中温卷取型,终轧温度、空冷温度、空冷时间等工艺参数对双相钢的组织和性能影响显著。同时,介绍了国内外短流程生产热轧双相钢的现状、发展趋势和存在问题,指出高强化、减薄化是双相钢未来的发展方向,而性能稳定性、表面质量和薄规格产品的板形问题是短流程热轧双相钢亟需解决的问题。

关 键 词:热轧  双相钢  短流程  
收稿时间:2017-05-09

Present situation and development trend of dual- phase steel produced in TSCR line
CAI Zhen,WANG Shui- ze,XU Jin- qiao,LIU Yang,HE Ya- yuan. Present situation and development trend of dual- phase steel produced in TSCR line[J]. Steel Rolling, 2018, 35(2): 59-64
Authors:CAI Zhen  WANG Shui- ze  XU Jin- qiao  LIU Yang  HE Ya- yuan
Affiliation:Wuhan Branch,Baosteel Central Research Institute,Wuhan 430080,China
Abstract:Production process and influence of typical parameters on microstructure and properties of hot rolled dual- phase steel were introduced.Its production process types include low- temperature coiling and medium- temperature coiling.Production parameters,such as finishing rolling temperature,air cooling temperature and air cooling time had significant influence on microstructure and properties of dual- phase steel.In addition,present situation,development trend and problems of producing dual- phase steel in TSCR (thin slab casting and direct rolling) line were also introduced.High strength and thickness reducing would be development direction of dual- phase steel,properties stability,surface quality and shape of thin gauge products were problems to be solved.
Keywords:hot-rolled   dual phase steel   TSCR  
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