US Patent Issued to Kobe Steel on June 16 for "Mechanical structure steel for cold-working and manufacturing method therefor" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,505, issued on June 16, was assigned to Kobe Steel Ltd. (Kobe, Japan).

"Mechanical structure steel for cold-working and manufacturing method therefor" was invented by Koji Yamashita (Kobe, Japan), Shogo Murakami (Kobe, Japan), Masayuki Sakata (Kobe, Japan) and Masamichi Chiba (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a mechanical structure steel for cold-working, including: C: 0.32 to 0.44% by mass, Si: 0.15 to 0.35% by mass, Mn: 0.55 to 0.95% by mass, P: 0.030% by mass or less, S: 0.030% by mass or less, Cr: 0.85 to 1.25% by mass, Mo: 0.15 to 0.35% by mass, and Al: 0.01 to 0.1% by mass, with the balance consisting of ...