(19)
(11) EP 2 491 157 A1

(12)

(43) Date of publication:
29.08.2012 Bulletin 2012/35

(21) Application number: 10824525.9

(22) Date of filing: 22.10.2010
(51) International Patent Classification (IPC): 
C22C 38/04(2006.01)
C21D 9/52(2006.01)
 C21D 8/02(2006.01)
B21C 37/08(2006.01)
(86) International application number:
PCT/FI2010/050831
(87) International publication number:
WO 2011/048274 (28.04.2011 Gazette 2011/17)
(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: 23.10.2009 FI 20090387

(71) Applicant: Rautaruukki OYJ
00810 Helsinki (FI)

(72) Inventors:
  • LIIMATAINEN, Tommi
    FI-92130 Raahe (FI)
  • HEMMILÄ, Mikko
    FI-86400 Vihanti (FI)
  • STEEN, Petteri
    FI-13100 Hämeenlinna (FI)
  • RAJALA, Juha
    FI-14770 Eteläinen (FI)
  • MINKKINEN, Jussi
    FI-13210 Hämeenlinna (FI)
  • TIHINEN, Sakari
    FI-90440 Kempele (FI)
  • HÄMEENKORPI, Tanja
    FI-92160 Saloinen (FI)
  • PEKOLA, Pasi
    FI-14500 Iittala (FI)

(74) Representative: Parta, Ari Petri 
Kolster Oy Ab Iso Roobertinkatu 23 P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) METHOD FOR PRODUCING HIGH-STRENGTH STEEL PRODUCT AND STEEL PRODUCT