(19)

(11)

EP 4 405 122 A1

(12)

(43) Date of publication: 31.07.2024 Bulletin 2024/31 (21) Application number: 21783591.7 (22) Date of filing: 24.09.2021

(51) International Patent Classification (IPC):  B22D 41/50(2006.01) B22D 41/52(2006.01) B22D 41/58(2006.01) B22D 41/54(2006.01) (52) Cooperative Patent Classification (CPC): B22D 41/50; B22D 41/58; B22D 41/52; B22D 41/54 (86) International application number: PCT/IB2021/058717 (87) International publication number: WO 2023/047153 (30.03.2023 Gazette 2023/13)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: ArcelorMittal 1160 Luxembourg (LU)	(72) Inventor: FORMAN, Bruce R Valparaiso, IN 46385 (US) (74) Representative: Plaisant, Sophie Marie  ArcelorMittal France Research & Development Intellectual Property 6, rue André Campra Immeuble Le Cézanne 93200 Saint-Denis 93200 Saint-Denis (FR)