作者单位:Zhang xuesong,Zhang yong,Qin yueyi,Xu meng(Shougang research institute of technology,Beijing,100043)张雪松,张勇,秦岳义,徐萌(首钢技术研究院,北京,100043)Wang xiaopeng,Liu yongjun(Shougang Jingtang Iron and Steel company,Hebei province,063000)王晓鹏,刘勇军(首钢京唐钢铁公司,河北曹妃甸,063000)