US Patent Issued to Tianjin University on March 25 for "Rapid and comprehensive method for evaluating pitting resistance of stainless steel pipe welds" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,313, issued on March 25, was assigned to Tianjin University (Tianjin, China).

"Rapid and comprehensive method for evaluating pitting resistance of stainless steel pipe welds" was invented by Lianyong Xu (Tianjin, China), Yongdian Han (Tianjin, China), Yongle Shi (Tianjin, China), Lei Zhao (Tianjin, China) and Kangda Hao (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a rapid and comprehensive method for evaluating pitting resistance of stainless steel pipe welds. Weld samples are collected from different positions of one or more welds on the stainless steel pipe to obtain the surface oxide inclusion density ...