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承钢无取向电工钢CGW800的研发

【作者】 魏跃军; 何金芳; 李勇强; 靳刚强; 胡心光;

【Author】 Wei Yuejun;He Jinfang;Li Yongqiang;Jin Gangqiang;Hu Xinguang;Vanadium Titanium Engineering Technique Research Center of Hebei Province;Technique Center,Chengde Iron and Steel Company,Hebei Iron and Steel Group;Ironworks,Chengde Iron and Steel Company,Hebei Iron and Steel Group;Hot Rolling Coiling Business Department,Chengde Iron and Steel Company,Hebei Iron and Steel Group;

【机构】 河北省钒钛工程技术研究中心; 河北钢铁集团承钢公司技术中心; 河北钢铁集团承钢公司炼铁厂; 河北钢铁集团承钢公司热轧卷板事业部;

【摘要】 承钢采用铁水预处理(脱硫)→转炉提钒→转炉冶炼→RH精炼→连铸→轧制工艺,成功研发了无取向电工钢CGW800。试制的CGW800钢碳含量≤0.006 0%、氮含量<0.004 0%,热轧后的金相组织为铁素体和少量渗碳体,晶粒度5.5级,获得了较粗大、均匀的晶粒,钢板的成分和力学性能达到了标准要求。 

【Abstract】 In Cheng Steel,the CGW800 non- oriented electrical steel is successfully developed with process of hot metal pre- treating,vanadium extracting with converter,smelting with converter,RH refining,continuous casting and rolling. In the steel,the carbon content is not higher than 0. 006 0%,nitrogen less than0. 004 0%,the metallographic structure after hot rolling is ferrite and a little amount of cementite,grain size is 5. 5 degree,relative large and even grain got. The composition and mechanical pr... 

【关键词】 无取向电工钢; RH精炼; 碳含量; 金相组织; 力学性能; 研发;
【Key words】 non-oriented electrical steel; RH refining; carbon content; metallographic structure; mechani-cal properties; development;

原文发表于《河北冶金》2014年第08期

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