Global Patent Index - EP 1087029 A3

EP 1087029 A3 20010516 - Improved steel composition

Title (en)

Improved steel composition

Title (de)

Verbesserte Stahlzusammensetzung

Title (fr)

Composition améliorée d'acier

Publication

EP 1087029 A3 20010516 (EN)

Application

EP 00107561 A 20000407

Priority

GB 9922757 A 19990927

Abstract (en)

[origin: GB2345491A] The invention relates to an austenitic stainless steel composition which is substantially free of nickel and which can be used for medical implants and/or jewellery manufacture. The steel comprises 0 - 0.15% C, 0 - 0.3% Si, 12 - 25% Mn, 12 - 20% Cr, 0 - 2.4% Mo, 0.3 0 - 0.55% N, 0 - 10% Co, 0 - 0.9% Cu, Ni less than 0.05% balance Fe and incidental impurities.

IPC 1-7

C22C 38/38

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/38 (2006.01); C22C 38/44 (2006.01)

CPC (source: EP)

C22C 38/001 (2013.01); C22C 38/38 (2013.01); C22C 38/44 (2013.01)

Citation (search report)

  • [X] DE 4242757 C1 19940324 - KRUPP VDM GMBH [DE]
  • [X] GB 778597 A 19570710 - FORD MOTOR CO
  • [X] FR 2493344 A1 19820507 - GEN ELECTRIC [US]
  • [X] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10 31 August 1998 (1998-08-31)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 011, no. 085 (C - 410) 14 March 1987 (1987-03-14)
  • [A] MENZEL ET AL: "High nitrogen containing Ni-free austenitic steels for medical applications", ISIJ INTERNATIONAL,JP,TOKYO, vol. 7, no. 36, 1996, pages 893 - 900, XP002074520

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

GB 0008103 D0 20000524; GB 2345491 A 20000712; GB 2345491 B 20001206; EP 1087029 A2 20010328; EP 1087029 A3 20010516; GB 9922757 D0 19991124

DOCDB simple family (application)

GB 0008103 A 20000404; EP 00107561 A 20000407; GB 9922757 A 19990927