US 11,959,150 B2
Welded steel sheets, and sheets thus produced
Emmanuel Dechassey, Godella (ES); Christophe Silvy-Leligois, Godella (ES); Francisco Chicharro Herranz, Puerto de Sagunto (ES); Vicente Polo Mestre, Valencia (ES); Marie-Christine Theyssier, Metz (FR); Thierry Celotto, Villerupt (FR); Christine Kaczynski, Maizieres-les-Metz (FR); Thomas Dupuy, Le Ban Saint Martin (FR); and Quang-Tien Ngo, Luxembourg (LU)
Assigned to ArcelorMittal, Luxembourg (LU)
Filed by ArcelorMittal, Luxembourg (LU)
Filed on Sep. 9, 2021, as Appl. No. 17/470,257.
Application 17/470,257 is a division of application No. 16/088,287, previously published as PCT/IB2017/000176, filed on Feb. 27, 2017.
Claims priority of application No. PCT/IB2016/000378 (WO), filed on Mar. 25, 2016.
Prior Publication US 2022/0002833 A1, Jan. 6, 2022
Int. Cl. C21D 9/46 (2006.01); B21B 15/00 (2006.01); B23K 11/00 (2006.01); B23K 11/04 (2006.01); B23K 26/20 (2014.01); C21D 8/02 (2006.01); C21D 9/50 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01); C22C 38/18 (2006.01); C23G 1/00 (2006.01); B23K 103/04 (2006.01)
CPC C21D 9/46 (2013.01) [B21B 15/0085 (2013.01); B23K 11/0073 (2013.01); B23K 11/04 (2013.01); B23K 26/206 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 9/50 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C22C 38/16 (2013.01); C22C 38/18 (2013.01); C23G 1/00 (2013.01); B23K 2103/04 (2018.08); C21D 2211/008 (2013.01)] 16 Claims
 
1. A steel sheet welded and then cold rolled to a thickness between 0.5 mm and 3 mm, the steel sheet comprising:
a base metal and a welded joint;
a deformation ratio created by cold rolling in the base metal being equal to εMB;
a deformation ratio created by cold rolling in the welded joint being equal to εS;

OG Complex Work Unit Math
and
a direction of the welded joint extending perpendicular to a direction of cold rolling.