Method for producing a metal sheet having oiled Zn—Al—Mg coatings, and corresponding metal sheet
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United States of America Patent
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May 21, 2019
Grant Date -
May 7, 2015
app pub date -
Apr 25, 2013
filing date -
Apr 25, 2012
priority date (Note) -
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Abstract
A method for producing a metal sheet is provided. The method includes providing a steel substrate having two faces, depositing a metal coating on each face by dipping the substrate in a bath, cooling the metal coatings, altering layers of magnesium oxide or magnesium hydroxide formed on the outer surfaces of the metal coatings, and depositing a layer of oil on the outer surfaces of the metal coatings.
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