(19)
(11) EP 1 436 440 A1

(12)

(43) Date of publication:
14.07.2004 Bulletin 2004/29

(21) Application number: 02783530.5

(22) Date of filing: 26.09.2002
(51) International Patent Classification (IPC)7C22C 38/18, C22C 38/28, C21D 6/00
(86) International application number:
PCT/IT2002/000613
(87) International publication number:
WO 2003/027343 (03.04.2003 Gazette 2003/14)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 26.09.2001 IT RM20010584

(71) Applicant: Thyssenkrupp Acciai Speciali Terni S.p.A.
05100 Terni (IT)

(72) Inventors:
  • SONGINI, Gianni
    Viale B. Brin, 218,05100 Terni (IT)
  • BARTERI, Massimo,Centro Sviluppo Materiali S.p.A.
    00129 Roma (IT)

(74) Representative: Gervasi, Gemma, Dr. 
Studio Brevetti e MarchiNOTARBARTOLO & GERVASI S.r.l.,Corso di Porta Vittoria, 9
20122 Milano
20122 Milano (IT)

   


(54) FERRITIC STAINLESS STEEL AND USE THEREOF IN THE MANUFACTURE FOR HIGH TEMPERATURE RESISTANT PRODUCTS