(19)

(11)

EP 2 737 285 A1

(12)

(43) Date of publication: 04.06.2014 Bulletin 2014/23 (21) Application number: 12740176.8 (22) Date of filing: 27.07.2012

(51) International Patent Classification (IPC):  G01F 23/24(2006.01) G01F 23/04(2006.01) C21C 5/46(2006.01) (86) International application number: PCT/EP2012/064788 (87) International publication number: WO 2013/014271 (31.01.2013 Gazette 2013/05)

(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: 27.07.2011 EP 11006162 05.08.2011 EP 11176739 (71) Applicant: Tata Steel UK Ltd London SW1P 4WY (GB)	(72) Inventor: MILLMAN, Maurice Stuart NL-1970 CA IJmuiden (NL) (74) Representative: Bodin, Andre  Tata Steel Nederland Technology BV Group Intellectual Property Services PO Box 10000-3G.37 1970 CA IJmuiden 1970 CA IJmuiden (NL)