US Patent Issued to NATIONAL PINGTUNG UNIVERSITY OF SCIENCE & TECHNOLOGY on Aug. 26 for "Method of using TIG welding flux for super duplex stainless steel" (Taiwanese Inventor)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,381, issued on Aug. 26, was assigned to NATIONAL PINGTUNG UNIVERSITY OF SCIENCE & TECHNOLOGY (Pingtung County, Taiwan).

"Method of using TIG welding flux for super duplex stainless steel" was invented by Kuang-Hung Tseng (Pingtung County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of using a tungsten inert gas (TIG) welding flux for super duplex stainless steel (SDSS) is used to solve the problems of low weld depth/width ratio, low corrosion resistance, and arc blow existing in the conventional TIG welding flux for duplex stainless steel. The TIG welding flux for SDSS includes 20-30 wt % of silicon dioxide (SiO2), 20-25 wt % of t...