US Patent Issued to Shanxi Taigang Stainless Steel on Jan. 20 for "Thermal processing method for niobium-containing high-alloy austenitic heat-resistant stainless steel bar" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,120, issued on Jan. 20, was assigned to Shanxi Taigang Stainless Steel Co. Ltd. (Taiyuan, China).

"Thermal processing method for niobium-containing high-alloy austenitic heat-resistant stainless steel bar" was invented by Xudong Fang (Taiyuan, China), Yang Li (Taiyuan, China), Fanghong Xu (Taiyuan, China), Yan Xia (Taiyuan, China), Wei Zhang (Taiyuan, China) and Jianwei Zhao (Taiyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a hot working method for stainless steel bars, comprising: step (1) heating a steel ingot at a heating temperature in a range from 1200deg C. to 1270deg C.; step (2) subjecting the h...