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控轧控冷条件下Q345中厚板的生产工艺研究

Study on Production of Q345 Plate by Controlled Rolling and Cooling

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【作者】 朱伏先李艳梅刘彦春张苏渊易敏刘晶志

【Author】 ZHU Fu-xian1, LI Yan-mei1, LIU Yan-chun1, ZHANG Su-yuan2, YI Min2, LIU Jing-zhi3 (1. The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China; 2. Shougang Research Institute of Technology, Beijing 100041, China; 3. Shougang Plate Plant, Beijing 100041, China)

【机构】 轧制技术及连轧自动化国家重点实验室(东北大学)首钢集团总公司技术研究院首钢集团总公司中板厂 辽宁沈阳110004辽宁沈阳110004北京100041北京100041

【摘要】 通过试验模拟和实机轧制试验,对传统Q345钢的静态再结晶行为、应变累积效应和晶粒细化机制等进行研究,分析了影响中厚钢板显微组织和力学性能的主要因素。结合首钢中板厂3500mm机组的特点,确定出Q345中厚钢板的TMCP生产工艺。实践表明该工艺可使钢板的平均组织晶粒度达到10~12级,带状组织降至1.5级以下。

【Abstract】 By simulation and rolling experiments in lab, the static recrystallization, strain accumulating effect and grain refining mechanism of Q345 steel were studied. And the main factors which influence the structure and properties of plate steel were analyzed. The TMCP of Q345 plate was established for 3500 mm rolling mill at Shougang plate plant. The practice showed that the average grain size of the plate produced by this process can reach ASTM No.10-12 grade, and the grade of band structure can decreased to below 1.5.

【关键词】 Q345钢中厚钢板TMCP再结晶
【Key words】 Q345plateTMCPrecrystallization
【基金】 国家重大科技攻关计划资助项目(ZZ0113A0101)
  • 【文献出处】 钢铁 ,Iron and Steel , 编辑部邮箱 ,2005年05期
  • 【分类号】TG335.5
  • 【被引频次】35
  • 【下载频次】1065
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