Global Patent Index - EP 0517087 B1

EP 0517087 B1 19960228 - Method for manufacturing copper alloys

Title (en)

Method for manufacturing copper alloys

Title (de)

Verfahren zur Herstellung von Kupferlegierungen

Title (fr)

Procédé pour la fabrication d'alliages de cuivre

Publication

EP 0517087 B1 19960228 (DE)

Application

EP 92108922 A 19920527

Priority

  • DE 4118037 A 19910601
  • DE 4215576 A 19920512

Abstract (en)

[origin: EP0517087A1] The invention relates to a method for manufacturing copper alloys of very high strength and very good formability, having a content of 2 to 10% of Ni, 2 to 12% of Sn, the remainder being Cu and usual impurities. Strengths of up to 1,500 N/mm<2> are achieved by solution-annealing after casting at 650 DEG C to 800 DEG C for a period of from 24 hours to 3 hours and - after preceding quenching, cold-forming being omitted - ageing for a period of from 14 days to 15 minutes at a temperature in the range from 260 DEG C to 380 DEG C.

IPC 1-7

C22F 1/08; C22C 9/02; C22C 9/06

IPC 8 full level

C22C 9/02 (2006.01); C22C 9/06 (2006.01); C22F 1/08 (2006.01)

CPC (source: EP)

C22C 9/02 (2013.01); C22C 9/06 (2013.01); C22F 1/08 (2013.01)

Designated contracting state (EPC)

AT DE FR GB IT NL

DOCDB simple family (publication)

EP 0517087 A1 19921209; EP 0517087 B1 19960228; AT E134715 T1 19960315; DE 4215576 A1 19921203; DE 59205433 D1 19960404

DOCDB simple family (application)

EP 92108922 A 19920527; AT 92108922 T 19920527; DE 4215576 A 19920512; DE 59205433 T 19920527