INTERNATIONAL PATENT: NANJING IRON & STEEL CO., LTD., 南京钢铁股份有限公司 FILES APPLICATION FOR "420 MPA-CLASS HIGH-TOUGHNESS HIGH-STRENGTH STEEL FOR SHIP PLATE HAVING CRACK PROPAGATION RESISTANCE IN ULTRA-LOW TEMPERATURE ENVIRONMENT AND MANUFACTURING METHOD THEREFOR"

GENEVA, May 17 -- NANJING IRON & STEEL CO., LTD. (Xiejiadian Liuhe DistrictNanjing, Jiangsu 210035), 南京钢铁股份有限公司 (中国江苏省南京市六合区卸甲甸) filed a patent application (PCT/CN2024/139460) for "420 MPA-CLASS HIGH-TOUGHNESS HIGH-STRENGTH STEEL FOR SHIP PLATE HAVING CRACK PROPAGATION RESISTANCE IN ULTRA-LOW TEMPERATURE ENVIRONMENT AND MANUFACTURING METHOD THEREFOR" on Dec 16, 2024. With publication no. WO/2026/097658, the details related to the patent application was published on May 15, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC)...