发明申请
- 专利标题: STEEL SHEET FOR HOT PRESSING AND METHOD OF MANUFACTURING HOT-PRESSED PART USING STEEL SHEET FOR HOT PRESSING
- 专利标题(中): 用于热压的钢板和使用钢板进行热压制造热压部件的方法
-
申请号: US13813328申请日: 2011-08-02
-
公开(公告)号: US20130122322A1公开(公告)日: 2013-05-16
- 发明人: Seiji Nakajima , Tatsuya Miyoshi , Hiroki Nakamaru
- 申请人: Seiji Nakajima , Tatsuya Miyoshi , Hiroki Nakamaru
- 申请人地址: JP Tokyo
- 专利权人: JFE STEEL CORPORATION
- 当前专利权人: JFE STEEL CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-174957 20100804; JP2011-000553 20110105; JP2011-091633 20110418; JP2011-157378 20110719
- 国际申请: PCT/JP2011/067680 WO 20110802
- 主分类号: C22C38/00
- IPC分类号: C22C38/00 ; B21D22/20
摘要:
In order to provide a steel sheet for hot pressing from which a hot-pressed part excellent in perforation corrosion resistance is obtainable and a method of manufacturing a hot-pressed part using the steel sheet for hot pressing, provided is a steel sheet for hot pressing having, sequentially on a surface of a base steel sheet: a plating layer I containing 60% by mass or more of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 0.01 to 5 g/m2; and a plating layer II containing 10 to 25% by mass of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 10 to 90 g/m2.