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(11)

EP 4 415 920 A1

(12)

(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22802073.1 (22) Date of filing: 10.10.2022

(51) International Patent Classification (IPC):  B23K 26/0622(2014.01) B23K 26/352(2014.01) C22C 38/02(2006.01) C22C 38/06(2006.01) C22C 38/44(2006.01) C22C 38/48(2006.01) C21D 1/82(2006.01) B23K 26/08(2014.01) B23K 26/362(2014.01) C22C 38/04(2006.01) C22C 38/42(2006.01) C22C 38/46(2006.01) C22C 38/54(2006.01) (52) Cooperative Patent Classification (CPC): B23K 26/0622; B23K 26/08; B23K 26/352; B23K 26/362; C21D 1/82; C22C 38/02; C22C 38/04; C22C 38/06; C22C 38/44; C22C 38/48; C22C 38/46; C22C 38/42; C22C 38/54 (86) International application number: PCT/EP2022/078153 (87) International publication number: WO 2023/061960 (20.04.2023 Gazette 2023/16)

(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: 13.10.2021 EP 21202339 (71) Applicant: Tata Steel IJmuiden B.V. 1951 JZ Velsen-Noord (NL)

(72) Inventors: BAART, Pieter 1970 CA IJMUIDEN (NL) MELFO PRADA, Wanda Maria Carolina 1970 CA IJMUIDEN (NL) NARANJO ESPINOSA, Jose 1970 CA IJMUIDEN (NL) GORDON, Douglas Jesus Figuero 1970 CA IJMUIDEN (NL) PATOLE, Samson 1970 CA IJMUIDEN (NL) (74) Representative: Group Intellectual Property Services  c/o Tata Steel Nederland Technology B.V. P.O. Box 10000 - 3G.37 1970 CA IJmuiden 1970 CA IJmuiden (NL)