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Q420qNHE耐候钢板的研发
引用本文:李慧琴,王玉峰,邢淑清,金自力,麻永林,任慧平.Q420qNHE耐候钢板的研发[J].轧钢,2007,24(1):18-23.
作者姓名:李慧琴  王玉峰  邢淑清  金自力  麻永林  任慧平
作者单位:南阳汉冶特钢有限公司钢研所,河南南阳474500
基金项目:内蒙古自治区攻关计划项目
摘    要:通过对Q420qNHE耐候钢化学成分设计,确定合理的加热温度,以及对轧制工艺优化(采用非再结晶区控制轧制+细化晶粒控制轧制),获得了低碳贝氏体组织,有效地提高了钢板的综合力学性能和耐腐蚀性能,保证了80 mm厚及以下规格耐大气腐蚀用钢板Q420qNHE的各项性能均满足技术要求。

关 键 词:Q420qNHE耐候钢板  加热温度  组织  性能  
文章编号:1003-9996(2007)01-0018-04
修稿时间:2006-06-30

Experiment Study of Annealing Texture of Cold Rolled Sheet in CSP Process
LI Hui-qin,WANG Yu-feng,XING Shu-qing,JIN Zi-li,MA Yong-lin,REN Hui-ping.Experiment Study of Annealing Texture of Cold Rolled Sheet in CSP Process[J].Steel Rolling,2007,24(1):18-23.
Authors:LI Hui-qin  WANG Yu-feng  XING Shu-qing  JIN Zi-li  MA Yong-lin  REN Hui-ping
Affiliation:Iron and Steel Research Institute,Nanyang Hanye Special Steel Co.,Ltd.,Nanyang 474500,China
Abstract:Through designing chemical composition of Q420qNHE atmospheric corrosion resisting steel,determining the reasonable heating temperature and optimizing the rolling process (the non recrystallization zone and grain refinement controlled rolling),the low carbon bainite stucture was obtained,which effectively improved the comprehensive mechanical properties and corrosion resistance of this steel plate.The whole properties were guaranted to meet the technical requirements of the 80 mm or smaller thichness plate.
Keywords:CSP
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