US Patent Issued to SHENGTAK NEW MATERIALS on Feb. 24 for "S32750 austenitic ferrite super duplex stainless steel seamless pipe for deep sea manifold and method for preparing same" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,810, issued on Feb. 24, was assigned to SHENGTAK NEW MATERIALS Co. LTD (Changzhou, China).

"S32750 austenitic ferrite super duplex stainless steel seamless pipe for deep sea manifold and method for preparing same" was invented by Hong Gao (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present disclosure is an S32750 austenitic ferrite super duplex stainless steel seamless pipe for a deep sea manifold and a method for preparing the same. The stainless steel seamless pipe includes the following components in percentage by mass: less than or equal to 0.03% of C, less than or equal to 0.80% of Si, less than or equal to 1...