US Patent Issued to POSCO on May 5 for "Manufacturing method for plated steel material having excellent adhesion to plating and corrosion resistance" (South Korean Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,139, issued on May 5, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"Manufacturing method for plated steel material having excellent adhesion to plating and corrosion resistance" was invented by Seok-Jun Hong (Gwangyang-si, South Korea) and Woo-Sung Jung (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of manufacturing a Zn-Mg alloy plated steel having excellent plating adhesion and corrosion resistance. The method includes: sequentially forming a first Zn plating layer, a second Mg plating layer, and a third Zn plating layer on base steel by a physical vapor deposition (PVD) method to provide a ...