公开(公告)号：US20240060160A1

公开(公告)日：2024-02-22

申请号：US18267000

申请日：2021-12-09

Applicant: ArcelorMittal

Inventor： Christophe CASTAN ,  Michel D'AMORE ,  Gilles MANGIN ,  Laura RIGONI MEDEIROS

IPC: C22C38/04 ,  C21D8/04 ,  C21D9/46 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06

CPC classification number: C22C38/04 ,  C21D8/0405 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473 ,  C21D8/0478 ,  C21D9/46 ,  C22C38/002 ,  C22C38/02 ,  C22C38/06 ,  C21D2211/005

Abstract: A tin coated steel sheet is provided for manufacturing a drawn can having: a thickness inferior to 0.7 mm, a yield strength inferior to 400 MPa, an average grain aspect ratio below 1.5, a strain hardening coefficient below 1.5, a tin coating from 0.5 to 4.0 g·m−2 on a first face and from 2.8 to 11.2 g·m−2 on a second face, a chemical composition comprising in weight percent 0.002≤C≤0.09 and 0.0015≤B≤0.005 and a balance of Fe and unavoidable impurities, and the steel sheet having a ferritic microstructure with a mean grain size from 5 to 15 μm.