MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617091583 A) filed by Jfe Steel Corporation on July 28, 2026, for Surface-Treated Steel Sheet And Manufacturing Method Therefor.

Inventors include Ueno Takashi; Kawamura Yuto; Yamada Yasunori; and Tomozawa Masanari.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: Provided is a surface-treated steel sheet that can be manufactured without using hexavalent chromium, and combines excellent film corrosion resistance, coating corrosion resistance, and weldability. This surface-treated steel sheet comprises a steel sheet and a chromium-containing layer that is provided on at least one surface of the s...