Global Patent Index - EP 0180927 A1

EP 0180927 A1 19860514 - Oxidation-resistant iron-nickel-chromium alloy.

Title (en)

Oxidation-resistant iron-nickel-chromium alloy.

Title (de)

Oxydationsbeständige Eisen-Nickel-Chromlegierung.

Title (fr)

Alliage fer-nickel-chrome résistant à l'oxydation.

Publication

EP 0180927 A1 19860514 (EN)

Application

EP 85113915 A 19851031

Priority

US 66701184 A 19841101

Abstract (en)

The oxidation resistance at elevated temperatures, e.g. 982 DEG C and above, of iron-nickel-chromium alloys of specified composition is improved by limiting the manganese content to a maximum value of 0,6%. The preferred alloy consists of: Ni 20 to 45 % Cr 15 to 25 % C up to 0,3 % N up to 0,3 % A1 up to 1 % Ti up to 1 % Cu up to 2 % Si up to 1,5 % Mn up to 0,6 % Fe balance. 1

IPC 1-7

C22C 38/40; C22C 30/00

IPC 8 full level

C22C 30/00 (2006.01); C22C 38/00 (2006.01); C22C 38/40 (2006.01); C22C 38/50 (2006.01)

CPC (source: EP)

C22C 30/00 (2013.01); C22C 38/40 (2013.01)

Citation (search report)

  • [X] DE 3121782 A1 19830505 - MANNESMANN AG [DE]
  • [X] GB 1547150 A 19790606 - NAUCH PROIZV OBIEDINE TEKHNOL
  • [X] GB 397717 A 19330829 - IG FARBENINDUSTRIE AG
  • [A] DE 762346 C 19521124 - KRUPP AG
  • [A] FR 2078328 A5 19711105 - WIGGIN & CO LTD HENRY
  • [X] CHEMICAL ABSTRACTS, vol. 101, 26th November 1984, page 245, no. 196090a, Columbus, Ohio, US; K.J. BLOM et al.: "Low-manganese stainless steels of the 316 type", & PULP & PAP. IND. CORROS. PROBL., PROC. INT. SYMP. CORROS. PULP 6 PAP. IND. 4TH 1983, 245-8
  • [X] CHEMICAL ABSTRACTS, vol. 99, no. 14, 3rd October 1983, page 481, no. 112885t, Columbus, Ohio, US; K.J. BLOM et al.: "Low manganese austenitic stainless steels has improved resistance to pitting and crevice corrosion", & MATER. PERFORM. 1983, 22(7), 52-4
  • [X] CHEMICAL ABSTRACTS, vol. 99, no. 10, 5th September 1983, pae 227, no. 74653f, Columbus, Ohio, US; G.A. SHMATKO et al.: "Making of corrosion-resistant low-manganese steel", & STAL' 1983 (5), 26-7

Designated contracting state (EPC)

DE GB IT

DOCDB simple family (publication)

EP 0180927 A1 19860514; AU 4924085 A 19860508; JP S61110752 A 19860529

DOCDB simple family (application)

EP 85113915 A 19851031; AU 4924085 A 19851031; JP 24304585 A 19851031