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1. (WO2001088210) MARTENSITIC STAINLESS STEEL AND SEAMLESS STEEL PIPES PRODUCED WITH IT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/088210    International Application No.:    PCT/EP2001/005719
Publication Date: 22.11.2001 International Filing Date: 18.05.2001
Chapter 2 Demand Filed:    13.12.2001    
IPC:
B21B 3/02 (2006.01), B21B 19/08 (2006.01), B21B 23/00 (2006.01), C21D 7/13 (2006.01), C21D 8/10 (2006.01), C22C 38/00 (2006.01), C22C 38/44 (2006.01)
Applicants: DALMINE S.P.A. [IT/IT]; Piazza Caduti 6 Luglio 1944, 1, I-24044 Dalmine (IT) (For All Designated States Except US).
CUMINO, Giuseppe [IT/IT]; (IT) (For US Only).
MAFFEIS, Eugenio [IT/IT]; (IT) (For US Only).
MONTELATICI, Luca [IT/IT]; (IT) (For US Only).
ONO, Tatsuo [JP/JP]; (JP) (For US Only).
YAMAZAKI, Kazuo [JP/GB]; (GB) (For US Only).
HASHIZUME, Shuji [JP/JP]; (JP) (For US Only).
MINAMI, Yusuke [JP/JP]; (JP) (For US Only).
SUZUKI, Toshio [JP/JP]; (JP) (For US Only)
Inventors: CUMINO, Giuseppe; (IT).
MAFFEIS, Eugenio; (IT).
MONTELATICI, Luca; (IT).
ONO, Tatsuo; (JP).
YAMAZAKI, Kazuo; (GB).
HASHIZUME, Shuji; (JP).
MINAMI, Yusuke; (JP).
SUZUKI, Toshio; (JP)
Agent: PASSINI, Angelo; Notarbartolo & Gervasi S.p.A., Corso di Porta Vittoria, 9, I-20122 Milan (IT).
GERVASI GEMMA; c/o Notarbartolo & Gervasi S.p.A., Corso di Porta Vittoria, 9, I-20122 Milano (IT)
Priority Data:
MI2000A001117 19.05.2000 IT
Title (EN) MARTENSITIC STAINLESS STEEL AND SEAMLESS STEEL PIPES PRODUCED WITH IT
(FR) ACIER INOXYDABLE MARTENSITIQUE ET CONDUITES SANS SOUDURE PRODUITES A PARTIE D'UN TEL ACIER
Abstract: front page image
(EN)Martensitic stainless steel with high resistance to corrosion, consisting of the following ingredients: Mn from 0.1 % to 0.3 %, P $m(F) 0.02 %, S $m(F) 0.002 % Cr from 10 % to 13 %, C $m(F) 0.02 wt%, Si from 0.1 % to = 0.3 wt%, Ni from 5 % to 8 %, Mo from 1.5 % to 3 %, N $m(F) 0.02 % and use of the above-mentioned steel in the fabrication of seamless steel pipes with diameters of up to 28'', with a process of rotary-expansion rolling.
(FR)La présente invention concerne un acier inoxydable martensitique présentant une résistance élevée à la corrosion, comprenant les ingrédients suivants : Mn de 0.1 % à 3 % ; P $m(F) 0.02 % ; S $m(F) 0.002 % ; Cr de 10 % à 13 %, C $m(F) 0.02 % en poids; Si de 0.1 % à = 0.3 % en poids ; Ni de 5 % à 8 % ; Mo entre 1.5 % à 3 % ; N $m(F) 0.02 % et l'utilisation dudit acier dans la fabrication de conduites en acier sans soudure de diamètre allant jusqu'à 28 pouces, avec un procédé de laminage de dilatation sous système rotatif.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)