(19)
(11) EP 1 838 888 A2

(12)

(88) Date of publication A3:
18.05.2007

(43) Date of publication:
03.10.2007 Bulletin 2007/40

(21) Application number: 06700056.2

(22) Date of filing: 02.01.2006
(51) International Patent Classification (IPC): 
C22C 37/04(2006.01)
C22C 33/08(2006.01)
 C22C 37/10(2006.01)
(86) International application number:
PCT/FI2006/050002
(87) International publication number:
WO 2006/072663 (13.07.2006 Gazette 2006/28)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 05.01.2005 FI 20055010

(71) Applicants:
  • Metso Paper, Inc.(Reg.No. 763281)
    00130 Helsinki (FI)
  • URV Uudenkaupungin Rautavalimo Oy
    23500 Uusikaupunki (FI)

(72) Inventors:
  • LEINONEN, Erkki
    FI-04400 Järvenpää (FI)
  • KEMPPAINEN, Pekka
    FI-04200 Kerava (FI)
  • SMURA, Eero
    FI-04400 Järvenpää (FI)
  • VUORIKARI, Hannu
    FI-00440 Helsinki (FI)

(74) Representative: Stellberg, Hans Valter et al
Forssén & Salomaa Oy Lautatarhankatu 8 B
00580 Helsinki
00580 Helsinki (FI)

   


(54) DUCTILE IRON AND METHOD FOR MANUFACTURING DUCTILE IRON FOR ENGINEERING COMPONENTS REQUIRING STRENGTH AND TOUGHNESS