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(11)

EP 4 430 223 A1

(12)

(43) Date of publication: 18.09.2024 Bulletin 2024/38 (21) Application number: 22818208.5 (22) Date of filing: 09.11.2022

(51) International Patent Classification (IPC):  C22C 38/50(2006.01) C22C 38/02(2006.01) C22C 38/06(2006.01) C22C 38/44(2006.01) C22C 38/46(2006.01) C21D 8/02(2006.01) C21D 6/02(2006.01) C22C 38/54(2006.01) C22C 38/04(2006.01) C22C 38/00(2006.01) C22C 38/42(2006.01) C21D 9/46(2006.01) C21D 6/00(2006.01) C21D 1/18(2006.01) (52) Cooperative Patent Classification (CPC): C22C 38/04; C22C 38/02; C22C 38/06; C21D 8/0263; C21D 2211/008; C22C 38/42; C22C 38/50; C22C 38/54; C22C 38/001; C22C 38/44; C22C 38/002; C22C 38/46; C21D 9/46; C21D 8/0205; C21D 8/0226; C21D 8/0247; C21D 6/004; C21D 6/02; C21D 1/18 (86) International application number: PCT/EP2022/081342 (87) International publication number: WO 2023/083898 (19.05.2023 Gazette 2023/20)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 11.11.2021 EP 21207843 (71) Applicant: SSAB Technology AB 101 21 Stockholm (SE)	(72) Inventors: NILSSON, Robin 781 84 Borlänge (SE) GLADH, Magnus 781 84 Borlänge (SE) NYMANN, Erik 781 84 Borlänge (SE) LIND, Martin 781 84 Borlänge (SE) (74) Representative: Valea AB  Box 1098 405 23 Göteborg 405 23 Göteborg (SE)