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EP 3 980 571 A1

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(43) Date of publication: 13.04.2022 Bulletin 2022/15 (21) Application number: 20817981.2 (22) Date of filing: 05.06.2020

(51) International Patent Classification (IPC):  C22C 38/26(2006.01) C21D 9/02(2006.01) C22C 38/04(2006.01) C21D 8/02(2006.01) C22C 38/02(2006.01) C22C 38/24(2006.01) (52) Cooperative Patent Classification (CPC): C22C 38/26; C22C 38/04; C22C 38/02; C22C 38/24; C21D 9/02; C21D 8/0205; C22C 38/12; C21D 2211/008 (86) International application number: PCT/SE2020/050569 (87) International publication number: WO 2020/246937 (10.12.2020 Gazette 2020/50)

(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 (30) Priority: 07.06.2019 SE 1950679 (71) Applicant: voestalpine Precision Strip AB 684 28 Munkfors (SE)	(72) Inventors: MILLWARD, Chris 667 31 FORSHAGA (SE) IWANSCHITZ, Boris 35580 WETZLAR (DE) (74) Representative: Hynell Intellectual Property AB  Kabyssgatan 4D 120 30 Stockholm 120 30 Stockholm (SE)