(19)
(11) EP 2 563 946 A1

(12)

(43) Date of publication:
06.03.2013 Bulletin 2013/10

(21) Application number: 11775373.1

(22) Date of filing: 26.04.2011
(51) International Patent Classification (IPC): 
C22C 38/28(2006.01)
 C21C 7/06(2006.01)
(86) International application number:
PCT/SE2011/050495
(87) International publication number:
WO 2011/136724 (03.11.2011 Gazette 2011/44)
(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: 26.04.2010 US 327755 P

(71) Applicants:
  • Nakajima, Keiji
    113 46 Stockholm (SE)
  • Janis, Jesper
    111 38 Stockholm (SE)
  • Karasev, Andrey
    138 31 Älta (SE)
  • Jönsson, Pär
    184 50 Åkersberga (SE)
  • Jonsson, Stefan
    187 32 Täby (SE)

(72) Inventors:
  • Nakajima, Keiji
    113 46 Stockholm (SE)
  • Janis, Jesper
    111 38 Stockholm (SE)
  • Karasev, Andrey
    138 31 Älta (SE)
  • Jönsson, Pär
    184 50 Åkersberga (SE)
  • Jonsson, Stefan
    187 32 Täby (SE)

(74) Representative: Valea AB 
Lindholmspiren 5
417 56 Göteborg
417 56 Göteborg (SE)

   


(54) FERRITIC STAINLESS STEEL, WITH HIGH AND STABLE GRAIN REFINING POTENCY, AND ITS PRODUCTION METHOD.