MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202617084436 A) filed by Hyundai Steel Company on July 09, 2026, for High-Strength Cold Rolled Steel Sheet And Manufacturing Method Therefor.
Inventors include Lee, Sang Wook; Kim, Ro Sa; Um, Ho Yong; Lee, Sun Kyu; Han, Seong Kyung; and Kim, Kyeong Min.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: According to one embodiment of the present invention, provided is a high-strength cold rolled steel sheet comprising, by wt%, 0.08-0.15% of carbon (C), 0.8-1.5% of silicon (Si), 2.0-3.0% of manganese (Mn), more than 0% and less than or equal to 1.0% of aluminum (Al), more than 0% and less than or equal to 0.02% of phosphorus (P), more than 0% and less than or equal to 0.01% of sulfur (S), more than 0% and less than or equal to 0.01% of nitrogen (N), 0.001-0.005% of boron (B), 0.1% or less (excluding 0%) in total of titanium (Ti) and/or niobium (Nb), and the balance of iron (Fe) and other inevitable impurities, wherein the final microstructure is composed of tempered martensite, bainite, fresh martensite, ferrite and retained austenite.
Disclaimer: Curated by HT Syndication.
