(19)
(11) EP 3 280 826 A1

(12)

(43) Date of publication:
14.02.2018 Bulletin 2018/07

(21) Application number: 16718275.7

(22) Date of filing: 08.04.2016
(51) International Patent Classification (IPC): 
C21D 8/10(2006.01)
B21C 1/22(2006.01)
C22C 38/42(2006.01)
C22C 38/58(2006.01)
C22C 38/04(2006.01)
 B21B 21/00(2006.01)
C22C 38/00(2006.01)
C22C 38/44(2006.01)
C22C 38/02(2006.01)
(86) International application number:
PCT/EP2016/057831
(87) International publication number:
WO 2016/162525 (13.10.2016 Gazette 2016/41)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 10.04.2015 EP 15163187

(71) Applicant: Sandvik Intellectual Property AB
811 81 Sandviken (SE)

(72) Inventors:
  • PONSILUOMA, Jari
    811 62 Sandviken (SE)
  • HINDRUM, Maria
    803 24 Gävle (SE)
  • EIDHAGEN, Josefin
    811 32 Sandviken (SE)
  • PERSSON, Katarina
    803 02 Gävle (SE)
  • JONES, Russell P.
    Clarks Summit, Pennsylvania 18411 (US)
  • LARSSON, Åsa
    806 35 Gävle (SE)

(74) Representative: Setréus, Ellen 
Sandvik Intellectual Property AB
811 81 Sandviken
811 81 Sandviken (SE)

   


(54) A METHOD OF PRODUCING A TUBE OF A DUPLEX STAINLESS STEEL