ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,107, issued on Nov. 11, was assigned to Hyundai Steel Co. (Incheon, South Korea).
"Cold rolled steel sheet with ultra-high strength, and manufacturing method therefor" was invented by Hyun Seong Noh (Incheon, South Korea), Nam Hoon Goo (Incheon, South Korea) and Han Sol Maeng (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a cold rolled steel sheet with ultra-high strength, and a manufacturing method therefor. In an exemplary embodiment, a cold rolled steel sheet with ultra-high strength includes an amount of 0.10 to 0.40 wt % of carbon (C), an amount of 0.10 to 0.80 wt % of silicon (Si), an amount of 0.6 to 1.4 wt ...