US Patent Issued to PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE on Dec. 2 for "Moderate-strength steel rail and production method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,549, issued on Dec. 2, was assigned to PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co. LTD. (Panzhihua, China).

"Moderate-strength steel rail and production method thereof" was invented by Jun Yuan (Panzhihua, China), Yong Deng (Panzhihua, China), Chongmu Chen (Panzhihua, China) and Yuan Wang (Panzhihua, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A moderate-strength steel rail is provided. The chemical composition of the moderate-strength steel rail in weight percentages includes carbon 0.70-0.90 wt %, silicon 0.08-0.65 wt %, manganese 0.69-1.31 wt %, chromium 0.10-0.25 wt %, phosphorus less than equal to0.020 wt %, sulfur less ...