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1. (WO2013160566) METHOD FOR PRODUCING A METAL SHEET HAVING OILED ZN-AL-MG COATINGS, AND CORRESPONDING METAL SHEET

Pub. No.:    WO/2013/160566    International Application No.:    PCT/FR2012/050906
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Thu Apr 26 01:59:59 CEST 2012
IPC: C23C 2/06
C23C 2/26
C23C 22/06
Applicants: ARCELORMITTAL INVESTIGACION Y DESARROLLO, S.L.
MACHADO AMORIM, Tiago
RICHARD, Joëlle
JACQUESON, Eric
LHERMEROULT, Audrey
FELTIN, Pascale
LEMAIRE, Jean-Michel
DIEZ, Luc
MATAIGNE, Jean-Michel
Inventors: MACHADO AMORIM, Tiago
RICHARD, Joëlle
JACQUESON, Eric
LHERMEROULT, Audrey
FELTIN, Pascale
LEMAIRE, Jean-Michel
DIEZ, Luc
MATAIGNE, Jean-Michel
Title: METHOD FOR PRODUCING A METAL SHEET HAVING OILED ZN-AL-MG COATINGS, AND CORRESPONDING METAL SHEET
Abstract:
The method comprises at least the following steps: providing a steel substrate (3) having two faces (5), depositing a metal coating (7) on each face (5) by quenching the substrate (3) in a hot bath, cooling the metal coatings (7), altering the magnesium hydroxide or magnesium oxide layers formed on the outer surfaces (15) of the metal coatings (7), and depositing a layer of oil on the outer surfaces (15) of the metal coatings (7).