(19)

(11)

EP 2 783 019 A1

(12)

(43) Date of publication: 01.10.2014 Bulletin 2014/40 (21) Application number: 12790911.7 (22) Date of filing: 26.11.2012

(51) International Patent Classification (IPC):  C22B 34/34(2006.01) C22C 35/00(2006.01) C21C 5/52(2006.01) (86) International application number: PCT/EP2012/073599 (87) International publication number: WO 2013/076300 (30.05.2013 Gazette 2013/22)

(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 (30) Priority: 25.11.2011 EP 11190836 22.02.2012 SE 1250162 16.05.2012 SE 1250503 (71) Applicant: AB Ferrolegeringar 103 88 Stockholm (SE)	(72) Inventor: ARVIDSSON, Johan S-260 41 Nyhamnsläge (SE) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst AB P.O. Box 138 683 23 Hagfors 683 23 Hagfors (SE)