发明申请
- 专利标题： HOT-ROLLED STEEL SHEET FOR PRODUCTION OF NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING SAME
- 专利标题（中）： 用于生产非导电电工钢板的热轧钢板及其制造方法
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申请号： PCT/JP2013006076申请日： 2013-10-11
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公开(公告)号： WO2014061246A8公开(公告)日： 2015-02-26
- 发明人: TODA HIROAKI , ZAIZEN YOSHIAKI , NAKANISHI TADASHI , ODA YOSHIHIKO
- 申请人： JFE STEEL CORP
- 专利权人： JFE STEEL CORP
- 当前专利权人： JFE STEEL CORP
- 优先权： JP2012229230 2012-10-16
- 主分类号： C22C38/00
- IPC分类号： C22C38/00 ; C21D8/12 ; C22C38/12 ; C22C38/60 ; H01F1/16
摘要：
According to the present invention, the pickling weight loss of a hot-rolled steel sheet having a prescribed composition is adjusted to 40 to 100g/m2 as determined after subjecting the hot-rolled steel sheet to annealing at 1000ºC for 30sec in a nitrogen atmosphere and then immersion in a 7% HCl solution at 80ºC for 60sec. Thus, a hot-rolled steel sheet which is for use in producing a non-oriented electrical steel sheet and which exhibits not only excellent magnetic characteristics such as iron loss and magnetic flux density but also excellent recyclability and sheet surface appearance can be obtained.
