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EP 3 186 406 A1

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(43) Date of publication: 05.07.2017 Bulletin 2017/27 (21) Application number: 15757135.7 (22) Date of filing: 24.08.2015

(51) International Patent Classification (IPC):  C22C 38/04(2006.01) C22C 38/14(2006.01) C23C 2/06(2006.01) C23C 28/04(2006.01) C22C 38/12(2006.01) C21D 9/46(2006.01) C21D 8/02(2006.01) (86) International application number: PCT/EP2015/001724 (87) International publication number: WO 2016/030010 (03.03.2016 Gazette 2016/09)

(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: MA (30) Priority: 25.08.2014 EP 14182131 (71) Applicant: Tata Steel IJmuiden B.V. 1951 JZ Velsen-Noord (NL)

(72) Inventors: MCEWAN, Calum 1951 JZ Velsen-Noord (NL) BELLINA, Paul 1951 JZ Velsen-Noord (NL) CAMPANIELLO, Jean, Joseph 1951 JZ Velsen-Noord (NL) BOEZEWINKEL, Johan 1951 JZ Velsen-Noord (NL) ENNIS, Bernard, Leo 1951 JZ Velsen-Noord (NL) (74) Representative: Kruit, Jan  Tata Steel Nederland Technology B.V. Group Intellectual Property Services - 3G37 P.O. Box 10000 1970 CA Ijmuiden 1970 CA Ijmuiden (NL)