公开(公告)号：US20220220618A1

公开(公告)日：2022-07-14

申请号：US17616629

申请日：2020-06-05

Applicant: ArcelorMittal

Inventor： Astrid PERLADE ,  Céline MUSIK ,  Christine KACZYNSKI ,  Yacine BENLATRECHE ,  Rèmi CAVALLOTTI

IPC: C23C30/00 ,  C23C28/02 ,  C22C38/50 ,  C22C38/02 ,  C22C18/04 ,  C22C38/54 ,  C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/00

Abstract: A pre-coated steel substrate coated with: a first pre-coating including titanium, the first coating having a thickness of 40 nm to 1200 nm, optionally, an intermediate pre-coating layer including at least 8% by weight nickel and at least 10% by weight chromium, the rest being iron or an intermediate pre-coating layer including Fe, Ni, Cr and Ti wherein the amount of Ti is above or equal to 5 wt. % and wherein the following equation is satisfied: 8 wt. %