US Patent Issued to JFE Steel on Aug. 12 for "TIG welding filler metal and method for producing weld joint using the same" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,989, issued on Aug. 12, was assigned to JFE Steel Corp. (Tokyo).

"TIG welding filler metal and method for producing weld joint using the same" was invented by Kazufumi Watanabe (Tokyo), Atsushi Takada (Tokyo), Akiyoshi Ando (Tokyo), Takatoshi Okabe (Tokyo) and Keiji Ueda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A TIG welding filler metal is provided that has a composition including, by mass %, C: 0.20 to 0.80%, Si: 0.15 to 0.90%, Mn: 15.0 to 30.0%, P: 0.030% or less, S: 0.030% or less, Cr: 6.0 to 15.0%, and N: 0.120% or less, the balance being Fe and incidental impurities. Where necessary, the filler metal may contain one or two selecte...