公开(公告)号：US20220411911A1

公开(公告)日：2022-12-29

申请号：US17771568

申请日：2020-10-29

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  Laura MEGIDO FERNANDEZ ,  Carlota DOMINGUEZ FERNANDEZ ,  Jorge RODRIGUEZ GARCIA ,  David NORIEGA PEREZ ,  Roberto SUAREZ SANCHEZ ,  Cristina BLANCO ROLDAN

IPC: C23C2/04 ,  C23C2/40 ,  C22C38/40

Abstract: A coated stainless-steel substrate including a coating including nanographites and a binder being sodium silicate, wherein the stainless-steel substrate has the following composition in weight percent: C≤1.2%, Cr≥11.0%, Ni≥8.0% and on a purely optional basis, one or more elements such as Nb≤6.0%, B≤1.0%, Ti≤3.0%, Cu≤5.0%, Co≤3.0%, N≤1.0%, V≤3.0%, Si≤4.0%, Mn≤5.0%, P≤0.5%, S≤0.5%, Mo≤6.0%, Ce≤1.0%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration. A method for the manufacture of this coated stainless-steel substrate is also provided.