MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617091559 A) filed by Jfe Steel Corporation on July 28, 2026, for Surface-Treated Steel Sheet And Method For Producing Same.

Inventors include Kawamura Yuto; Ueno Takashi; 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 which can be produced without using hexavalent chromium and has excellent film corrosion resistance, coating corrosion resistance, and weldability. Specifically provided is a surface-treated steel sheet which comprises a steel sheet and a chromium-containing layer that is disposed on at least one s...