- 专利标题： METHOD OF PRODUCING A PHOSPHATABLE PART FROM A SHEET COATED WITH AN ALUMINUM-BASED COATING AND A ZINC COATING
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申请号： US15552135申请日： 2016-01-22
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公开(公告)号： US20180044774A1公开(公告)日： 2018-02-15
- 发明人: Christian Allely , Eric Jacqueson , Daniel Chaleix
- 申请人： ArcelorMittal
- 优先权： IBPCT/IB2015/000194 20150219
- 国际申请： PCT/IB2016/000037 WO 20160122
- 主分类号： C23C14/16
- IPC分类号： C23C14/16 ; C23C14/02 ; C23C14/22 ; C21D9/46 ; B21D53/88 ; C25D3/22 ; C25D5/52 ; C25D13/04 ; C25D13/20 ; C23C10/20 ; B32B15/01
摘要：
A steel sheet coated with an aluminum-based coating and a second zinc coating having a thickness less than or equal to 1.1 μm is provided. A method for preparing the coated steel sheet, a method for preparing a press-hardened part from the steel sheet, a press-hardened part, and the use of the press-hardened part are also provided.
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