US Patent Issued to DANIELI & C. OFFICINE MECCANICHE on April 21 for "Process for manufacturing compact coils of ultra-fine grained, martensite-free steel bars" (Italian Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,882, issued on April 21, was assigned to DANIELI & C. OFFICINE MECCANICHE S.P.A. (Buttrio, Italy).

"Process for manufacturing compact coils of ultra-fine grained, martensite-free steel bars" was invented by Gianpietro Benedetti (Tricesimo, Italy), Claudio Fabbro (Trieste, Italy), Maicol Cimolino (Martignacco, Italy) and Simone Ferrarese (Trieste, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process comprising: rolling a steel billet via a roughing rolling mill and producing a steel bar; performing a first cooling stage so that the steel bar has a surface temperature higher than the martensite start temperature, and performing a first equa...