(19)
(11) EP 1 285 097 A1

(12)

(43) Date of publication:
26.02.2003 Bulletin 2003/09

(21) Application number: 01949353.5

(22) Date of filing: 18.05.2001
(51) International Patent Classification (IPC)7C21D 9/08, C22C 38/44, B21D 17/02
(86) International application number:
PCT/EP0105/719
(87) International publication number:
WO 0108/8210 (22.11.2001 Gazette 2001/47)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 19.05.2000 IT MI000111

(71) Applicant: DALMINE S.p.A.
I-24044 Dalmine (Bergamo) (IT)

(72) Inventors:
  • CUMINO, Giuseppe
    I-24044 Dalmine (IT)
  • MAFFEIS, Eugenio
    I-24046 Osio Sotto (IT)
  • MONTELATICI, Luca
    I-20133 Milano (IT)
  • ONO, Tatsuo
    Yokohamashi Kanagawa 240-0053 (JP)
  • YAMAZAKI, Kazuo
    South Croydon,Surrey CR2 0AF (GB)
  • HASHIZUME, Shuji
    Kamakurashi,Kanagaw a 248-0032 (JP)
  • MINAMI, Yusuke
    Yokohamashi Kanagawa 233-0016 (JP)
  • SUZUKI, Toshio
    Sakurashi Chiba 285-0817 (JP)

(74) Representative: Gervasi, Gemma, Dr. 
NOTARBARTOLO & GERVASI Srl,Corso di Porta Vittoria, 9
20122 Milano
20122 Milano (IT)

   


(54) MARTENSITIC STAINLESS STEEL AND SEAMLESS STEEL PIPES PRODUCED WITH IT