公开(公告)号：US20230257862A1

公开(公告)日：2023-08-17

申请号：US17922423

申请日：2021-04-22

Applicant: ArcelorMittal

Inventor： Ranbir Singh JAMWAL ,  Hassan GHASSEMI-ARMAKI ,  Anirban CHAKRABORTY ,  Pavan CHALLA VENKATASURYA

IPC: C23C2/06 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/40 ,  C21D1/26 ,  C21D9/52

CPC classification number: C23C2/06 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/40 ,  C21D1/26 ,  C21D9/52 ,  C21D2211/005

Abstract: The present invention relates to a manufacturing method of a steel strip, a steel strip with controlled decarburized depth, a spot welded joint and the use of said steel strip or said spot welded joint. This invention is particularly well suited for the automotive industry due to the improvement of the Liquid Metal Embrittlement (LME) resistance along with target mechanical properties.