McDermott Will & Emery LLP
Magnesium-aluminum coated steel sheet
An exemplary embodiment of the present invention provides a coated steel sheet on which a magnesium-aluminum alloy coating layer is formed, including: a steel sheet; and a coating layer configured to include a first magnesium-aluminum alloy layer formed on a top surface of the steel sheet and a second magnesium-aluminum alloy layer formed on a top surface of the first magnesium-aluminum alloy layer, wherein a magnesium content of the first magnesium-aluminum alloy layer is higher than that of the second magnesium-aluminum alloy layer.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY POSCO
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Ji Hoon Tae Yeob Jae In Yong Hwa
Yang Kim Jeong Jung