US Patent Issued to NIPPON STEEL on April 22 for "Al plated welded pipe for hardening use and al plated hollow member and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,375, issued on April 22, was assigned to NIPPON STEEL Corp. (Tokyo).

"Al plated welded pipe for hardening use and al plated hollow member and method for producing same" was invented by Jun Maki (Tokyo), Soshi Fujita (Tokyo) and Toyomitsu Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Al plated electric resistance welded steel pipe for hardening use suppressing the formation of scale to the inside of the plating layer while performing hot forming and an Al plated hollow member using that Al plated electric resistance welded steel pipe, wherein the Al plated electric resistance welded steel pipe for hardening use is comprised of a ba...