Global Patent Index - EP 1352980 A4

EP 1352980 A4 20041117 - HIGH SILICON STAINLESS

Title (en)

HIGH SILICON STAINLESS

Title (de)

SILICIUMREICHER NICHTROSTENDER STAHL

Title (fr)

ACIER INOXYDABLE A TENEUR ELEVEE EN SILICIUM

Publication

EP 1352980 A4 20041117 (EN)

Application

EP 00981731 A 20001214

Priority

JP 0008877 W 20001214

Abstract (en)

[origin: EP1352980A1] A high-Si stainless steel excellent in various characteristics, inclusive of strength, corrosion resistance, workability and castability, consists of, on the mass % basis, Si: 2 to 5%, Cr: 8 to 25%, Ni: 4 to 16%, Mn: not more than 5%, Cu: not more than 4%, Co: not more than 8%, Mo: not more than 4%, Nb: not more than 3%, Ta: not more than 3%, Ti: not more than 3%, W: not more than 4%, V: not more than 4%, B: not more than 0.01%, Mg: not more than 0.01%, Ca: not more than 0.01%, rare earth elements: not more than 0.01%, the balance being Fe. Impurities in this steel are as follows: C: not more than 0.04%, P: not more than 0.03%, S: not more than 0.02%, Al: not more than 0.03%, N (nitrogen): not more than 0.05%, O (oxygen): not more than 0.005%, and H (hydrogen): not more than 0.0003%. <IMAGE>

IPC 1-7

C22C 38/00; C22C 38/40; C22C 38/58; C22C 38/34; C22C 38/42; C22C 38/44; C22C 38/48; C22C 38/50; C22C 38/52

IPC 8 full level

C22C 38/04 (2006.01); C22C 38/34 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/52 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP US)

C22C 38/04 (2013.01 - EP US); C22C 38/34 (2013.01 - EP US); C22C 38/42 (2013.01 - EP US); C22C 38/44 (2013.01 - EP US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/52 (2013.01 - EP US); C22C 38/58 (2013.01 - EP US)

Citation (search report)

  • [Y] US 4002510 A 19770111 - WILDE BRYAN E
  • [A] EP 0434887 A1 19910703 - NISSHIN STEEL CO LTD [JP]
  • [A] US 4640817 A 19870203 - KAJIMURA HARUHIKO [JP], et al
  • [Y] STAHL-EISEN: "Spurenelemente in Stählen", SPURENELEMENTE IN STAHLEN, DUSELDORF, VERLAG STAHLEISEN, DE, 1985, pages 19 - 34, XP002074494
  • [A] PATENT ABSTRACTS OF JAPAN vol. 0173, no. 61 (C - 1080) 8 July 1993 (1993-07-08)
  • [E] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 21 3 August 2001 (2001-08-03)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 01 30 January 1998 (1998-01-30)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07 31 July 1996 (1996-07-31)
  • See references of WO 0248416A1

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 1352980 A1 20031015; EP 1352980 A4 20041117; JP 4176471 B2 20081105; JP WO2002048416 A1 20040415; US 2004042926 A1 20040304; WO 0248416 A1 20020620

DOCDB simple family (application)

EP 00981731 A 20001214; JP 0008877 W 20001214; JP 2002550127 A 20001214; US 45041403 A 20030902