公开(公告)号：US20180023177A1

公开(公告)日：2018-01-25

申请号：US15546262

申请日：2016-02-01

Applicant: ARCELORMITTAL

Inventor： Lydia RACHIELE ,  Herve DERULE ,  Delphine THAÏ

IPC: C23C2/06 ,  C25D5/48 ,  C23F11/14 ,  C25D3/22 ,  C23C2/26 ,  C23C22/05

Abstract: The invention relates to a method for preparing a metal sheet (1) comprising at least the steps of: providing a steel substrate (3) having two faces (5), for which at least one is coated with a metal coating (7) comprising at least 40% by weight of zinc, applying on the outer surface (15) of the metal coating (7) an aqueous solution comprising an amino acid, and the metal sheet which may be obtained.

公开(公告)号：US20180016681A1

公开(公告)日：2018-01-18

申请号：US15546614

申请日：2016-02-01

Applicant: ArcelorMittal

Inventor： Lydia RACHIELE ,  Hervé DERULE ,  Delphine THAÏ

IPC: C23C22/53 ,  C23F11/14 ,  C23C22/68 ,  C23C2/26 ,  C25D5/48 ,  C23C2/06 ,  C23C22/78

CPC classification number: C23C22/53 ,  C23C2/06 ,  C23C2/26 ,  C23C22/68 ,  C23C22/78 ,  C23F11/144 ,  C25D5/48

Abstract: The invention relates to a method for preparing a metal sheet (1) comprising at least the steps: providing a steel substrate (3) having two faces (5), at least one of which is coated with a metal coating (7) comprising at least 40% by weight of zinc, applying on the outer surface (15) of the metal coating (7) an aqueous solution comprising an amino acid, and the metal sheet which may be obtained.